640527053475

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{78553}}^1$

素因数の和:78781

約数の個数: 96

約数和(自身を含む): 1150181383680

約数和(自身を除く): 509654330205

約数列:

[1, 3, 5, 15, 23, 25, 29, 69, 75, 87, 115, 145, 163, 345, 435, 489, 575, 667, 725, 815, 1725, 2001, 2175, 2445, 3335, 3749, 4075, 4727, 10005, 11247, 12225, 14181, 16675, 18745, 23635, 50025, 56235, 70905, 78553, 93725, 108721, 118175, 235659, 281175, 326163, 354525, 392765, 543605, 1178295, 1630815, 1806719, 1963825, 2278037, 2718025, 5420157, 5891475, 6834111, 8154075, 9033595, 11390185, 12804139, 27100785, 34170555, 38412417, 45167975, 52394851, 56950925, 64020695, 135503925, 157184553, 170852775, 192062085, 261974255, 294495197, 320103475, 371320031, 785922765, 883485591, 960310425, 1113960093, 1309871275, 1472475985, 1856600155, 3929613825, 4417427955, 5569800465, 7362379925, 8540360713, 9283000775, 22087139775, 25621082139, 27849002325, 42701803565, 128105410695, 213509017825, 640527053475]

約数ペア:

[(1, 640527053475), (3, 213509017825), (5, 128105410695), (15, 42701803565), (23, 27849002325), (25, 25621082139), (29, 22087139775), (69, 9283000775), (75, 8540360713), (87, 7362379925), (115, 5569800465), (145, 4417427955), (163, 3929613825), (345, 1856600155), (435, 1472475985), (489, 1309871275), (575, 1113960093), (667, 960310425), (725, 883485591), (815, 785922765), (1725, 371320031), (2001, 320103475), (2175, 294495197), (2445, 261974255), (3335, 192062085), (3749, 170852775), (4075, 157184553), (4727, 135503925), (10005, 64020695), (11247, 56950925), (12225, 52394851), (14181, 45167975), (16675, 38412417), (18745, 34170555), (23635, 27100785), (50025, 12804139), (56235, 11390185), (70905, 9033595), (78553, 8154075), (93725, 6834111), (108721, 5891475), (118175, 5420157), (235659, 2718025), (281175, 2278037), (326163, 1963825), (354525, 1806719), (392765, 1630815), (543605, 1178295)]