217501440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4357}}^1$

素因数の和:4394

約数の個数: 144

約数和(自身を含む): 748251168

約数和(自身を除く): 530749728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1560, 1664, 1920, 2080, 2496, 3120, 3328, 3840, 4160, 4357, 4992, 6240, 8320, 8714, 9984, 12480, 13071, 16640, 17428, 21785, 24960, 26142, 34856, 43570, 49920, 52284, 56641, 65355, 69712, 87140, 104568, 113282, 130710, 139424, 169923, 174280, 209136, 226564, 261420, 278848, 283205, 339846, 348560, 418272, 453128, 522840, 557696, 566410, 679692, 697120, 836544, 849615, 906256, 1045680, 1115392, 1132820, 1359384, 1394240, 1673088, 1699230, 1812512, 2091360, 2265640, 2718768, 2788480, 3346176, 3398460, 3625024, 4182720, 4531280, 5437536, 5576960, 6796920, 7250048, 8365440, 9062560, 10875072, 13593840, 14500096, 16730880, 18125120, 21750144, 27187680, 36250240, 43500288, 54375360, 72500480, 108750720, 217501440]

約数ペア:

[(1, 217501440), (2, 108750720), (3, 72500480), (4, 54375360), (5, 43500288), (6, 36250240), (8, 27187680), (10, 21750144), (12, 18125120), (13, 16730880), (15, 14500096), (16, 13593840), (20, 10875072), (24, 9062560), (26, 8365440), (30, 7250048), (32, 6796920), (39, 5576960), (40, 5437536), (48, 4531280), (52, 4182720), (60, 3625024), (64, 3398460), (65, 3346176), (78, 2788480), (80, 2718768), (96, 2265640), (104, 2091360), (120, 1812512), (128, 1699230), (130, 1673088), (156, 1394240), (160, 1359384), (192, 1132820), (195, 1115392), (208, 1045680), (240, 906256), (256, 849615), (260, 836544), (312, 697120), (320, 679692), (384, 566410), (390, 557696), (416, 522840), (480, 453128), (520, 418272), (624, 348560), (640, 339846), (768, 283205), (780, 278848), (832, 261420), (960, 226564), (1040, 209136), (1248, 174280), (1280, 169923), (1560, 139424), (1664, 130710), (1920, 113282), (2080, 104568), (2496, 87140), (3120, 69712), (3328, 65355), (3840, 56641), (4160, 52284), (4357, 49920), (4992, 43570), (6240, 34856), (8320, 26142), (8714, 24960), (9984, 21785), (12480, 17428), (13071, 16640)]