28359660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67523}}^1$

素因数の和:67542

約数の個数: 48

約数和(自身を含む): 90752256

約数和(自身を除く): 62392596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 67523, 135046, 202569, 270092, 337615, 405138, 472661, 675230, 810276, 945322, 1012845, 1350460, 1417983, 1890644, 2025690, 2363305, 2835966, 4051380, 4726610, 5671932, 7089915, 9453220, 14179830, 28359660]

約数ペア:

[(1, 28359660), (2, 14179830), (3, 9453220), (4, 7089915), (5, 5671932), (6, 4726610), (7, 4051380), (10, 2835966), (12, 2363305), (14, 2025690), (15, 1890644), (20, 1417983), (21, 1350460), (28, 1012845), (30, 945322), (35, 810276), (42, 675230), (60, 472661), (70, 405138), (84, 337615), (105, 270092), (140, 202569), (210, 135046), (420, 67523)]