90808920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 192

約数和(自身を含む): 311500800

約数和(自身を除く): 220691880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 79, 90, 93, 103, 120, 124, 155, 158, 180, 186, 206, 237, 248, 279, 309, 310, 316, 360, 372, 395, 412, 465, 474, 515, 558, 618, 620, 632, 711, 744, 790, 824, 927, 930, 948, 1030, 1116, 1185, 1236, 1240, 1395, 1422, 1545, 1580, 1854, 1860, 1896, 2060, 2232, 2370, 2449, 2472, 2790, 2844, 3090, 3160, 3193, 3555, 3708, 3720, 4120, 4635, 4740, 4898, 5580, 5688, 6180, 6386, 7110, 7347, 7416, 8137, 9270, 9480, 9579, 9796, 11160, 12245, 12360, 12772, 14220, 14694, 15965, 16274, 18540, 19158, 19592, 22041, 24411, 24490, 25544, 28440, 28737, 29388, 31930, 32548, 36735, 37080, 38316, 40685, 44082, 47895, 48822, 48980, 57474, 58776, 63860, 65096, 73233, 73470, 76632, 81370, 88164, 95790, 97644, 97960, 110205, 114948, 122055, 127720, 143685, 146466, 146940, 162740, 176328, 191580, 195288, 220410, 229896, 244110, 252247, 287370, 292932, 293880, 325480, 366165, 383160, 440820, 488220, 504494, 574740, 585864, 732330, 756741, 881640, 976440, 1008988, 1149480, 1261235, 1464660, 1513482, 2017976, 2270223, 2522470, 2929320, 3026964, 3783705, 4540446, 5044940, 6053928, 7567410, 9080892, 10089880, 11351115, 15134820, 18161784, 22702230, 30269640, 45404460, 90808920]

約数ペア:

[(1, 90808920), (2, 45404460), (3, 30269640), (4, 22702230), (5, 18161784), (6, 15134820), (8, 11351115), (9, 10089880), (10, 9080892), (12, 7567410), (15, 6053928), (18, 5044940), (20, 4540446), (24, 3783705), (30, 3026964), (31, 2929320), (36, 2522470), (40, 2270223), (45, 2017976), (60, 1513482), (62, 1464660), (72, 1261235), (79, 1149480), (90, 1008988), (93, 976440), (103, 881640), (120, 756741), (124, 732330), (155, 585864), (158, 574740), (180, 504494), (186, 488220), (206, 440820), (237, 383160), (248, 366165), (279, 325480), (309, 293880), (310, 292932), (316, 287370), (360, 252247), (372, 244110), (395, 229896), (412, 220410), (465, 195288), (474, 191580), (515, 176328), (558, 162740), (618, 146940), (620, 146466), (632, 143685), (711, 127720), (744, 122055), (790, 114948), (824, 110205), (927, 97960), (930, 97644), (948, 95790), (1030, 88164), (1116, 81370), (1185, 76632), (1236, 73470), (1240, 73233), (1395, 65096), (1422, 63860), (1545, 58776), (1580, 57474), (1854, 48980), (1860, 48822), (1896, 47895), (2060, 44082), (2232, 40685), (2370, 38316), (2449, 37080), (2472, 36735), (2790, 32548), (2844, 31930), (3090, 29388), (3160, 28737), (3193, 28440), (3555, 25544), (3708, 24490), (3720, 24411), (4120, 22041), (4635, 19592), (4740, 19158), (4898, 18540), (5580, 16274), (5688, 15965), (6180, 14694), (6386, 14220), (7110, 12772), (7347, 12360), (7416, 12245), (8137, 11160), (9270, 9796), (9480, 9579)]