28359240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:101

約数の個数: 256

約数和(自身を含む): 108864000

約数和(自身を除く): 80504760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 53, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 106, 120, 130, 140, 147, 156, 159, 168, 182, 195, 196, 210, 212, 245, 260, 265, 273, 280, 294, 312, 318, 343, 364, 371, 390, 392, 420, 424, 455, 490, 520, 530, 546, 588, 636, 637, 686, 689, 728, 735, 742, 780, 795, 840, 910, 980, 1029, 1060, 1092, 1113, 1176, 1272, 1274, 1365, 1372, 1378, 1470, 1484, 1560, 1590, 1715, 1820, 1855, 1911, 1960, 2058, 2067, 2120, 2184, 2226, 2548, 2597, 2730, 2744, 2756, 2940, 2968, 3180, 3185, 3430, 3445, 3640, 3710, 3822, 4116, 4134, 4452, 4459, 4823, 5096, 5145, 5194, 5460, 5512, 5565, 5880, 6360, 6370, 6860, 6890, 7420, 7644, 7791, 8232, 8268, 8904, 8918, 9555, 9646, 10290, 10335, 10388, 10920, 11130, 12740, 12985, 13377, 13720, 13780, 14469, 14840, 15288, 15582, 16536, 17836, 18179, 19110, 19292, 20580, 20670, 20776, 22260, 22295, 24115, 25480, 25970, 26754, 27560, 28938, 31164, 33761, 35672, 36358, 38220, 38584, 38955, 41160, 41340, 44520, 44590, 48230, 51940, 53508, 54537, 57876, 62328, 66885, 67522, 72345, 72716, 76440, 77910, 82680, 89180, 90895, 96460, 101283, 103880, 107016, 109074, 115752, 133770, 135044, 144690, 145432, 155820, 168805, 178360, 181790, 192920, 202566, 218148, 236327, 267540, 270088, 272685, 289380, 311640, 337610, 363580, 405132, 436296, 472654, 506415, 535080, 545370, 578760, 675220, 708981, 727160, 810264, 945308, 1012830, 1090740, 1181635, 1350440, 1417962, 1890616, 2025660, 2181480, 2363270, 2835924, 3544905, 4051320, 4726540, 5671848, 7089810, 9453080, 14179620, 28359240]

約数ペア:

[(1, 28359240), (2, 14179620), (3, 9453080), (4, 7089810), (5, 5671848), (6, 4726540), (7, 4051320), (8, 3544905), (10, 2835924), (12, 2363270), (13, 2181480), (14, 2025660), (15, 1890616), (20, 1417962), (21, 1350440), (24, 1181635), (26, 1090740), (28, 1012830), (30, 945308), (35, 810264), (39, 727160), (40, 708981), (42, 675220), (49, 578760), (52, 545370), (53, 535080), (56, 506415), (60, 472654), (65, 436296), (70, 405132), (78, 363580), (84, 337610), (91, 311640), (98, 289380), (104, 272685), (105, 270088), (106, 267540), (120, 236327), (130, 218148), (140, 202566), (147, 192920), (156, 181790), (159, 178360), (168, 168805), (182, 155820), (195, 145432), (196, 144690), (210, 135044), (212, 133770), (245, 115752), (260, 109074), (265, 107016), (273, 103880), (280, 101283), (294, 96460), (312, 90895), (318, 89180), (343, 82680), (364, 77910), (371, 76440), (390, 72716), (392, 72345), (420, 67522), (424, 66885), (455, 62328), (490, 57876), (520, 54537), (530, 53508), (546, 51940), (588, 48230), (636, 44590), (637, 44520), (686, 41340), (689, 41160), (728, 38955), (735, 38584), (742, 38220), (780, 36358), (795, 35672), (840, 33761), (910, 31164), (980, 28938), (1029, 27560), (1060, 26754), (1092, 25970), (1113, 25480), (1176, 24115), (1272, 22295), (1274, 22260), (1365, 20776), (1372, 20670), (1378, 20580), (1470, 19292), (1484, 19110), (1560, 18179), (1590, 17836), (1715, 16536), (1820, 15582), (1855, 15288), (1911, 14840), (1960, 14469), (2058, 13780), (2067, 13720), (2120, 13377), (2184, 12985), (2226, 12740), (2548, 11130), (2597, 10920), (2730, 10388), (2744, 10335), (2756, 10290), (2940, 9646), (2968, 9555), (3180, 8918), (3185, 8904), (3430, 8268), (3445, 8232), (3640, 7791), (3710, 7644), (3822, 7420), (4116, 6890), (4134, 6860), (4452, 6370), (4459, 6360), (4823, 5880), (5096, 5565), (5145, 5512), (5194, 5460)]