256465800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{7499}}^1$

素因数の和:7540

約数の個数: 144

約数和(自身を含む): 906750000

約数和(自身を除く): 650284200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 25, 30, 36, 38, 40, 45, 50, 57, 60, 72, 75, 76, 90, 95, 100, 114, 120, 150, 152, 171, 180, 190, 200, 225, 228, 285, 300, 342, 360, 380, 450, 456, 475, 570, 600, 684, 760, 855, 900, 950, 1140, 1368, 1425, 1710, 1800, 1900, 2280, 2850, 3420, 3800, 4275, 5700, 6840, 7499, 8550, 11400, 14998, 17100, 22497, 29996, 34200, 37495, 44994, 59992, 67491, 74990, 89988, 112485, 134982, 142481, 149980, 179976, 187475, 224970, 269964, 284962, 299960, 337455, 374950, 427443, 449940, 539928, 562425, 569924, 674910, 712405, 749900, 854886, 899880, 1124850, 1139848, 1282329, 1349820, 1424810, 1499800, 1687275, 1709772, 2137215, 2249700, 2564658, 2699640, 2849620, 3374550, 3419544, 3562025, 4274430, 4499400, 5129316, 5699240, 6411645, 6749100, 7124050, 8548860, 10258632, 10686075, 12823290, 13498200, 14248100, 17097720, 21372150, 25646580, 28496200, 32058225, 42744300, 51293160, 64116450, 85488600, 128232900, 256465800]

約数ペア:

[(1, 256465800), (2, 128232900), (3, 85488600), (4, 64116450), (5, 51293160), (6, 42744300), (8, 32058225), (9, 28496200), (10, 25646580), (12, 21372150), (15, 17097720), (18, 14248100), (19, 13498200), (20, 12823290), (24, 10686075), (25, 10258632), (30, 8548860), (36, 7124050), (38, 6749100), (40, 6411645), (45, 5699240), (50, 5129316), (57, 4499400), (60, 4274430), (72, 3562025), (75, 3419544), (76, 3374550), (90, 2849620), (95, 2699640), (100, 2564658), (114, 2249700), (120, 2137215), (150, 1709772), (152, 1687275), (171, 1499800), (180, 1424810), (190, 1349820), (200, 1282329), (225, 1139848), (228, 1124850), (285, 899880), (300, 854886), (342, 749900), (360, 712405), (380, 674910), (450, 569924), (456, 562425), (475, 539928), (570, 449940), (600, 427443), (684, 374950), (760, 337455), (855, 299960), (900, 284962), (950, 269964), (1140, 224970), (1368, 187475), (1425, 179976), (1710, 149980), (1800, 142481), (1900, 134982), (2280, 112485), (2850, 89988), (3420, 74990), (3800, 67491), (4275, 59992), (5700, 44994), (6840, 37495), (7499, 34200), (8550, 29996), (11400, 22497), (14998, 17100)]