90687870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3691}}^1$

素因数の和:3727

約数の個数: 128

約数和(自身を含む): 297722880

約数和(自身を除く): 207035010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 54, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 135, 182, 189, 195, 210, 234, 270, 273, 315, 351, 378, 390, 455, 546, 585, 630, 702, 819, 910, 945, 1170, 1365, 1638, 1755, 1890, 2457, 2730, 3510, 3691, 4095, 4914, 7382, 8190, 11073, 12285, 18455, 22146, 24570, 25837, 33219, 36910, 47983, 51674, 55365, 66438, 77511, 95966, 99657, 110730, 129185, 143949, 155022, 166095, 199314, 232533, 239915, 258370, 287898, 332190, 335881, 387555, 431847, 465066, 479830, 498285, 671762, 697599, 719745, 775110, 863694, 996570, 1007643, 1162665, 1295541, 1395198, 1439490, 1679405, 2015286, 2159235, 2325330, 2591082, 3022929, 3358810, 3487995, 4318470, 5038215, 6045858, 6477705, 6975990, 9068787, 10076430, 12955410, 15114645, 18137574, 30229290, 45343935, 90687870]

約数ペア:

[(1, 90687870), (2, 45343935), (3, 30229290), (5, 18137574), (6, 15114645), (7, 12955410), (9, 10076430), (10, 9068787), (13, 6975990), (14, 6477705), (15, 6045858), (18, 5038215), (21, 4318470), (26, 3487995), (27, 3358810), (30, 3022929), (35, 2591082), (39, 2325330), (42, 2159235), (45, 2015286), (54, 1679405), (63, 1439490), (65, 1395198), (70, 1295541), (78, 1162665), (90, 1007643), (91, 996570), (105, 863694), (117, 775110), (126, 719745), (130, 697599), (135, 671762), (182, 498285), (189, 479830), (195, 465066), (210, 431847), (234, 387555), (270, 335881), (273, 332190), (315, 287898), (351, 258370), (378, 239915), (390, 232533), (455, 199314), (546, 166095), (585, 155022), (630, 143949), (702, 129185), (819, 110730), (910, 99657), (945, 95966), (1170, 77511), (1365, 66438), (1638, 55365), (1755, 51674), (1890, 47983), (2457, 36910), (2730, 33219), (3510, 25837), (3691, 24570), (4095, 22146), (4914, 18455), (7382, 12285), (8190, 11073)]