28709460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12269}}^1$

素因数の和:12297

約数の個数: 72

約数和(自身を含む): 93791880

約数和(自身を除く): 65082420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 12269, 24538, 36807, 49076, 61345, 73614, 110421, 122690, 147228, 159497, 184035, 220842, 245380, 318994, 368070, 441684, 478491, 552105, 637988, 736140, 797485, 956982, 1104210, 1435473, 1594970, 1913964, 2208420, 2392455, 2870946, 3189940, 4784910, 5741892, 7177365, 9569820, 14354730, 28709460]

約数ペア:

[(1, 28709460), (2, 14354730), (3, 9569820), (4, 7177365), (5, 5741892), (6, 4784910), (9, 3189940), (10, 2870946), (12, 2392455), (13, 2208420), (15, 1913964), (18, 1594970), (20, 1435473), (26, 1104210), (30, 956982), (36, 797485), (39, 736140), (45, 637988), (52, 552105), (60, 478491), (65, 441684), (78, 368070), (90, 318994), (117, 245380), (130, 220842), (156, 184035), (180, 159497), (195, 147228), (234, 122690), (260, 110421), (390, 73614), (468, 61345), (585, 49076), (780, 36807), (1170, 24538), (2340, 12269)]