81915990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:294

約数の個数: 96

約数和(自身を含む): 216297216

約数和(自身を除く): 134381226

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 107, 130, 151, 169, 195, 214, 302, 321, 338, 390, 453, 507, 535, 642, 755, 845, 906, 1014, 1070, 1391, 1510, 1605, 1690, 1963, 2265, 2535, 2782, 3210, 3926, 4173, 4530, 5070, 5889, 6955, 8346, 9815, 11778, 13910, 16157, 18083, 19630, 20865, 25519, 29445, 32314, 36166, 41730, 48471, 51038, 54249, 58890, 76557, 80785, 90415, 96942, 108498, 127595, 153114, 161570, 180830, 210041, 242355, 255190, 271245, 382785, 420082, 484710, 542490, 630123, 765570, 1050205, 1260246, 2100410, 2730533, 3150615, 5461066, 6301230, 8191599, 13652665, 16383198, 27305330, 40957995, 81915990]

約数ペア:

[(1, 81915990), (2, 40957995), (3, 27305330), (5, 16383198), (6, 13652665), (10, 8191599), (13, 6301230), (15, 5461066), (26, 3150615), (30, 2730533), (39, 2100410), (65, 1260246), (78, 1050205), (107, 765570), (130, 630123), (151, 542490), (169, 484710), (195, 420082), (214, 382785), (302, 271245), (321, 255190), (338, 242355), (390, 210041), (453, 180830), (507, 161570), (535, 153114), (642, 127595), (755, 108498), (845, 96942), (906, 90415), (1014, 80785), (1070, 76557), (1391, 58890), (1510, 54249), (1605, 51038), (1690, 48471), (1963, 41730), (2265, 36166), (2535, 32314), (2782, 29445), (3210, 25519), (3926, 20865), (4173, 19630), (4530, 18083), (5070, 16157), (5889, 13910), (6955, 11778), (8346, 9815)]