131211600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{647}}^1$

素因数の和:694

約数の個数: 180

約数和(自身を含む): 455836896

約数和(自身を除く): 324625296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 169, 195, 200, 208, 240, 260, 300, 312, 325, 338, 390, 400, 507, 520, 600, 624, 647, 650, 676, 780, 845, 975, 1014, 1040, 1200, 1294, 1300, 1352, 1560, 1690, 1941, 1950, 2028, 2535, 2588, 2600, 2704, 3120, 3235, 3380, 3882, 3900, 4056, 4225, 5070, 5176, 5200, 6470, 6760, 7764, 7800, 8112, 8411, 8450, 9705, 10140, 10352, 12675, 12940, 13520, 15528, 15600, 16175, 16822, 16900, 19410, 20280, 25233, 25350, 25880, 31056, 32350, 33644, 33800, 38820, 40560, 42055, 48525, 50466, 50700, 51760, 64700, 67288, 67600, 77640, 84110, 97050, 100932, 101400, 109343, 126165, 129400, 134576, 155280, 168220, 194100, 201864, 202800, 210275, 218686, 252330, 258800, 328029, 336440, 388200, 403728, 420550, 437372, 504660, 546715, 630825, 656058, 672880, 776400, 841100, 874744, 1009320, 1093430, 1261650, 1312116, 1640145, 1682200, 1749488, 2018640, 2186860, 2523300, 2624232, 2733575, 3280290, 3364400, 4373720, 5046600, 5248464, 5467150, 6560580, 8200725, 8747440, 10093200, 10934300, 13121160, 16401450, 21868600, 26242320, 32802900, 43737200, 65605800, 131211600]

約数ペア:

[(1, 131211600), (2, 65605800), (3, 43737200), (4, 32802900), (5, 26242320), (6, 21868600), (8, 16401450), (10, 13121160), (12, 10934300), (13, 10093200), (15, 8747440), (16, 8200725), (20, 6560580), (24, 5467150), (25, 5248464), (26, 5046600), (30, 4373720), (39, 3364400), (40, 3280290), (48, 2733575), (50, 2624232), (52, 2523300), (60, 2186860), (65, 2018640), (75, 1749488), (78, 1682200), (80, 1640145), (100, 1312116), (104, 1261650), (120, 1093430), (130, 1009320), (150, 874744), (156, 841100), (169, 776400), (195, 672880), (200, 656058), (208, 630825), (240, 546715), (260, 504660), (300, 437372), (312, 420550), (325, 403728), (338, 388200), (390, 336440), (400, 328029), (507, 258800), (520, 252330), (600, 218686), (624, 210275), (647, 202800), (650, 201864), (676, 194100), (780, 168220), (845, 155280), (975, 134576), (1014, 129400), (1040, 126165), (1200, 109343), (1294, 101400), (1300, 100932), (1352, 97050), (1560, 84110), (1690, 77640), (1941, 67600), (1950, 67288), (2028, 64700), (2535, 51760), (2588, 50700), (2600, 50466), (2704, 48525), (3120, 42055), (3235, 40560), (3380, 38820), (3882, 33800), (3900, 33644), (4056, 32350), (4225, 31056), (5070, 25880), (5176, 25350), (5200, 25233), (6470, 20280), (6760, 19410), (7764, 16900), (7800, 16822), (8112, 16175), (8411, 15600), (8450, 15528), (9705, 13520), (10140, 12940), (10352, 12675)]