90281640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{25943}}^1$

素因数の和:25986

約数の個数: 64

約数和(自身を含む): 280195200

約数和(自身を除く): 189913560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 25943, 51886, 77829, 103772, 129715, 155658, 207544, 259430, 311316, 389145, 518860, 622632, 752347, 778290, 1037720, 1504694, 1556580, 2257041, 3009388, 3113160, 3761735, 4514082, 6018776, 7523470, 9028164, 11285205, 15046940, 18056328, 22570410, 30093880, 45140820, 90281640]

約数ペア:

[(1, 90281640), (2, 45140820), (3, 30093880), (4, 22570410), (5, 18056328), (6, 15046940), (8, 11285205), (10, 9028164), (12, 7523470), (15, 6018776), (20, 4514082), (24, 3761735), (29, 3113160), (30, 3009388), (40, 2257041), (58, 1556580), (60, 1504694), (87, 1037720), (116, 778290), (120, 752347), (145, 622632), (174, 518860), (232, 389145), (290, 311316), (348, 259430), (435, 207544), (580, 155658), (696, 129715), (870, 103772), (1160, 77829), (1740, 51886), (3480, 25943)]