280216440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:283

約数の個数: 384

約数和(自身を含む): 1142968320

約数和(自身を除く): 862751880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 17, 18, 20, 21, 24, 28, 30, 31, 34, 35, 36, 40, 42, 45, 51, 56, 60, 62, 63, 68, 70, 72, 84, 85, 90, 93, 102, 105, 119, 120, 124, 126, 136, 140, 153, 155, 168, 170, 180, 186, 204, 210, 211, 217, 238, 248, 252, 255, 279, 280, 306, 310, 315, 340, 357, 360, 372, 408, 420, 422, 434, 465, 476, 504, 510, 527, 558, 595, 612, 620, 630, 633, 651, 680, 714, 744, 765, 840, 844, 868, 930, 952, 1020, 1054, 1055, 1071, 1085, 1116, 1190, 1224, 1240, 1260, 1266, 1302, 1395, 1428, 1477, 1530, 1581, 1688, 1736, 1785, 1860, 1899, 1953, 2040, 2108, 2110, 2142, 2170, 2232, 2380, 2520, 2532, 2604, 2635, 2790, 2856, 2954, 3060, 3162, 3165, 3255, 3570, 3587, 3689, 3720, 3798, 3906, 4216, 4220, 4284, 4340, 4431, 4743, 4760, 5064, 5208, 5270, 5355, 5580, 5908, 6120, 6324, 6330, 6510, 6541, 7140, 7174, 7378, 7385, 7596, 7812, 7905, 8440, 8568, 8680, 8862, 9486, 9495, 9765, 10540, 10710, 10761, 11067, 11160, 11816, 12648, 12660, 13020, 13082, 13293, 14280, 14348, 14756, 14770, 15192, 15624, 15810, 17724, 17935, 18445, 18972, 18990, 19530, 19623, 21080, 21420, 21522, 22134, 22155, 23715, 25109, 25320, 26040, 26164, 26586, 28696, 29512, 29540, 31620, 32283, 32705, 33201, 35448, 35870, 36890, 37944, 37980, 39060, 39246, 42840, 43044, 44268, 44310, 45787, 47430, 50218, 52328, 53172, 53805, 55335, 58869, 59080, 63240, 64566, 65410, 66402, 66465, 71740, 73780, 75327, 75960, 78120, 78492, 86088, 88536, 88620, 91574, 94860, 98115, 100436, 106344, 107610, 110670, 111197, 117738, 125545, 129132, 130820, 132804, 132930, 137361, 143480, 147560, 150654, 156984, 161415, 166005, 177240, 183148, 189720, 196230, 200872, 215220, 221340, 222394, 225981, 228935, 235476, 251090, 258264, 261640, 265608, 265860, 274722, 294345, 301308, 322830, 332010, 333591, 366296, 376635, 392460, 412083, 430440, 442680, 444788, 451962, 457870, 470952, 502180, 531720, 549444, 555985, 588690, 602616, 645660, 664020, 667182, 686805, 753270, 778379, 784920, 824166, 889576, 903924, 915740, 1000773, 1004360, 1098888, 1111970, 1129905, 1177380, 1291320, 1328040, 1334364, 1373610, 1506540, 1556758, 1648332, 1667955, 1807848, 1831480, 2001546, 2060415, 2223940, 2259810, 2335137, 2354760, 2668728, 2747220, 3013080, 3113516, 3296664, 3335910, 3891895, 4003092, 4120830, 4447880, 4519620, 4670274, 5003865, 5494440, 6227032, 6671820, 7005411, 7783790, 8006184, 8241660, 9039240, 9340548, 10007730, 11675685, 13343640, 14010822, 15567580, 16483320, 18681096, 20015460, 23351370, 28021644, 31135160, 35027055, 40030920, 46702740, 56043288, 70054110, 93405480, 140108220, 280216440]

約数ペア:

[(1, 280216440), (2, 140108220), (3, 93405480), (4, 70054110), (5, 56043288), (6, 46702740), (7, 40030920), (8, 35027055), (9, 31135160), (10, 28021644), (12, 23351370), (14, 20015460), (15, 18681096), (17, 16483320), (18, 15567580), (20, 14010822), (21, 13343640), (24, 11675685), (28, 10007730), (30, 9340548), (31, 9039240), (34, 8241660), (35, 8006184), (36, 7783790), (40, 7005411), (42, 6671820), (45, 6227032), (51, 5494440), (56, 5003865), (60, 4670274), (62, 4519620), (63, 4447880), (68, 4120830), (70, 4003092), (72, 3891895), (84, 3335910), (85, 3296664), (90, 3113516), (93, 3013080), (102, 2747220), (105, 2668728), (119, 2354760), (120, 2335137), (124, 2259810), (126, 2223940), (136, 2060415), (140, 2001546), (153, 1831480), (155, 1807848), (168, 1667955), (170, 1648332), (180, 1556758), (186, 1506540), (204, 1373610), (210, 1334364), (211, 1328040), (217, 1291320), (238, 1177380), (248, 1129905), (252, 1111970), (255, 1098888), (279, 1004360), (280, 1000773), (306, 915740), (310, 903924), (315, 889576), (340, 824166), (357, 784920), (360, 778379), (372, 753270), (408, 686805), (420, 667182), (422, 664020), (434, 645660), (465, 602616), (476, 588690), (504, 555985), (510, 549444), (527, 531720), (558, 502180), (595, 470952), (612, 457870), (620, 451962), (630, 444788), (633, 442680), (651, 430440), (680, 412083), (714, 392460), (744, 376635), (765, 366296), (840, 333591), (844, 332010), (868, 322830), (930, 301308), (952, 294345), (1020, 274722), (1054, 265860), (1055, 265608), (1071, 261640), (1085, 258264), (1116, 251090), (1190, 235476), (1224, 228935), (1240, 225981), (1260, 222394), (1266, 221340), (1302, 215220), (1395, 200872), (1428, 196230), (1477, 189720), (1530, 183148), (1581, 177240), (1688, 166005), (1736, 161415), (1785, 156984), (1860, 150654), (1899, 147560), (1953, 143480), (2040, 137361), (2108, 132930), (2110, 132804), (2142, 130820), (2170, 129132), (2232, 125545), (2380, 117738), (2520, 111197), (2532, 110670), (2604, 107610), (2635, 106344), (2790, 100436), (2856, 98115), (2954, 94860), (3060, 91574), (3162, 88620), (3165, 88536), (3255, 86088), (3570, 78492), (3587, 78120), (3689, 75960), (3720, 75327), (3798, 73780), (3906, 71740), (4216, 66465), (4220, 66402), (4284, 65410), (4340, 64566), (4431, 63240), (4743, 59080), (4760, 58869), (5064, 55335), (5208, 53805), (5270, 53172), (5355, 52328), (5580, 50218), (5908, 47430), (6120, 45787), (6324, 44310), (6330, 44268), (6510, 43044), (6541, 42840), (7140, 39246), (7174, 39060), (7378, 37980), (7385, 37944), (7596, 36890), (7812, 35870), (7905, 35448), (8440, 33201), (8568, 32705), (8680, 32283), (8862, 31620), (9486, 29540), (9495, 29512), (9765, 28696), (10540, 26586), (10710, 26164), (10761, 26040), (11067, 25320), (11160, 25109), (11816, 23715), (12648, 22155), (12660, 22134), (13020, 21522), (13082, 21420), (13293, 21080), (14280, 19623), (14348, 19530), (14756, 18990), (14770, 18972), (15192, 18445), (15624, 17935), (15810, 17724)]