217988280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:451

約数の個数: 256

約数和(自身を含む): 796262400

約数和(自身を除く): 578274120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 31, 34, 36, 40, 45, 51, 54, 60, 62, 68, 72, 85, 90, 93, 102, 108, 120, 124, 135, 136, 153, 155, 170, 180, 186, 204, 216, 248, 255, 270, 279, 306, 310, 340, 360, 372, 383, 408, 459, 465, 510, 527, 540, 558, 612, 620, 680, 744, 765, 766, 837, 918, 930, 1020, 1054, 1080, 1116, 1149, 1224, 1240, 1395, 1530, 1532, 1581, 1674, 1836, 1860, 1915, 2040, 2108, 2232, 2295, 2298, 2635, 2790, 3060, 3064, 3162, 3348, 3447, 3672, 3720, 3830, 4185, 4216, 4590, 4596, 4743, 5270, 5580, 5745, 6120, 6324, 6511, 6696, 6894, 7660, 7905, 8370, 9180, 9192, 9486, 10341, 10540, 11160, 11490, 11873, 12648, 13022, 13788, 14229, 15320, 15810, 16740, 17235, 18360, 18972, 19533, 20682, 21080, 22980, 23715, 23746, 26044, 27576, 28458, 31620, 32555, 33480, 34470, 35619, 37944, 39066, 41364, 45960, 47430, 47492, 51705, 52088, 56916, 58599, 59365, 63240, 65110, 68940, 71145, 71238, 78132, 82728, 94860, 94984, 97665, 103410, 106857, 113832, 117198, 118730, 130220, 137880, 142290, 142476, 156264, 175797, 178095, 189720, 195330, 201841, 206820, 213714, 234396, 237460, 260440, 284580, 284952, 292995, 320571, 351594, 356190, 390660, 403682, 413640, 427428, 468792, 474920, 534285, 569160, 585990, 605523, 641142, 703188, 712380, 781320, 807364, 854856, 878985, 1009205, 1068570, 1171980, 1211046, 1282284, 1406376, 1424760, 1602855, 1614728, 1757970, 1816569, 2018410, 2137140, 2343960, 2422092, 2564568, 3027615, 3205710, 3515940, 3633138, 4036820, 4274280, 4844184, 5449707, 6055230, 6411420, 7031880, 7266276, 8073640, 9082845, 10899414, 12110460, 12822840, 14532552, 18165690, 21798828, 24220920, 27248535, 36331380, 43597656, 54497070, 72662760, 108994140, 217988280]

約数ペア:

[(1, 217988280), (2, 108994140), (3, 72662760), (4, 54497070), (5, 43597656), (6, 36331380), (8, 27248535), (9, 24220920), (10, 21798828), (12, 18165690), (15, 14532552), (17, 12822840), (18, 12110460), (20, 10899414), (24, 9082845), (27, 8073640), (30, 7266276), (31, 7031880), (34, 6411420), (36, 6055230), (40, 5449707), (45, 4844184), (51, 4274280), (54, 4036820), (60, 3633138), (62, 3515940), (68, 3205710), (72, 3027615), (85, 2564568), (90, 2422092), (93, 2343960), (102, 2137140), (108, 2018410), (120, 1816569), (124, 1757970), (135, 1614728), (136, 1602855), (153, 1424760), (155, 1406376), (170, 1282284), (180, 1211046), (186, 1171980), (204, 1068570), (216, 1009205), (248, 878985), (255, 854856), (270, 807364), (279, 781320), (306, 712380), (310, 703188), (340, 641142), (360, 605523), (372, 585990), (383, 569160), (408, 534285), (459, 474920), (465, 468792), (510, 427428), (527, 413640), (540, 403682), (558, 390660), (612, 356190), (620, 351594), (680, 320571), (744, 292995), (765, 284952), (766, 284580), (837, 260440), (918, 237460), (930, 234396), (1020, 213714), (1054, 206820), (1080, 201841), (1116, 195330), (1149, 189720), (1224, 178095), (1240, 175797), (1395, 156264), (1530, 142476), (1532, 142290), (1581, 137880), (1674, 130220), (1836, 118730), (1860, 117198), (1915, 113832), (2040, 106857), (2108, 103410), (2232, 97665), (2295, 94984), (2298, 94860), (2635, 82728), (2790, 78132), (3060, 71238), (3064, 71145), (3162, 68940), (3348, 65110), (3447, 63240), (3672, 59365), (3720, 58599), (3830, 56916), (4185, 52088), (4216, 51705), (4590, 47492), (4596, 47430), (4743, 45960), (5270, 41364), (5580, 39066), (5745, 37944), (6120, 35619), (6324, 34470), (6511, 33480), (6696, 32555), (6894, 31620), (7660, 28458), (7905, 27576), (8370, 26044), (9180, 23746), (9192, 23715), (9486, 22980), (10341, 21080), (10540, 20682), (11160, 19533), (11490, 18972), (11873, 18360), (12648, 17235), (13022, 16740), (13788, 15810), (14229, 15320)]