30101820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71671}}^1$

素因数の和:71690

約数の個数: 48

約数和(自身を含む): 96327168

約数和(自身を除く): 66225348

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, 71671, 143342, 215013, 286684, 358355, 430026, 501697, 716710, 860052, 1003394, 1075065, 1433420, 1505091, 2006788, 2150130, 2508485, 3010182, 4300260, 5016970, 6020364, 7525455, 10033940, 15050910, 30101820]

約数ペア:

[(1, 30101820), (2, 15050910), (3, 10033940), (4, 7525455), (5, 6020364), (6, 5016970), (7, 4300260), (10, 3010182), (12, 2508485), (14, 2150130), (15, 2006788), (20, 1505091), (21, 1433420), (28, 1075065), (30, 1003394), (35, 860052), (42, 716710), (60, 501697), (70, 430026), (84, 358355), (105, 286684), (140, 215013), (210, 143342), (420, 71671)]