30920454

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 80

約数和(自身を含む): 73598976

約数和(自身を除く): 42678522

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 47, 54, 62, 81, 93, 94, 131, 141, 162, 186, 262, 279, 282, 393, 423, 558, 786, 837, 846, 1179, 1269, 1457, 1674, 2358, 2511, 2538, 2914, 3537, 3807, 4061, 4371, 5022, 6157, 7074, 7614, 8122, 8742, 10611, 12183, 12314, 13113, 18471, 21222, 24366, 26226, 36549, 36942, 39339, 55413, 73098, 78678, 109647, 110826, 118017, 166239, 190867, 219294, 236034, 328941, 332478, 381734, 498717, 572601, 657882, 997434, 1145202, 1717803, 3435606, 5153409, 10306818, 15460227, 30920454]

約数ペア:

[(1, 30920454), (2, 15460227), (3, 10306818), (6, 5153409), (9, 3435606), (18, 1717803), (27, 1145202), (31, 997434), (47, 657882), (54, 572601), (62, 498717), (81, 381734), (93, 332478), (94, 328941), (131, 236034), (141, 219294), (162, 190867), (186, 166239), (262, 118017), (279, 110826), (282, 109647), (393, 78678), (423, 73098), (558, 55413), (786, 39339), (837, 36942), (846, 36549), (1179, 26226), (1269, 24366), (1457, 21222), (1674, 18471), (2358, 13113), (2511, 12314), (2538, 12183), (2914, 10611), (3537, 8742), (3807, 8122), (4061, 7614), (4371, 7074), (5022, 6157)]