30243980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1307}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 69219360

約数和(自身を除く): 38975380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1307, 1780, 2314, 2614, 4628, 5228, 5785, 6535, 11570, 13070, 16991, 23140, 26140, 33982, 67964, 84955, 116323, 169910, 232646, 339820, 465292, 581615, 1163230, 1512199, 2326460, 3024398, 6048796, 7560995, 15121990, 30243980]

約数ペア:

[(1, 30243980), (2, 15121990), (4, 7560995), (5, 6048796), (10, 3024398), (13, 2326460), (20, 1512199), (26, 1163230), (52, 581615), (65, 465292), (89, 339820), (130, 232646), (178, 169910), (260, 116323), (356, 84955), (445, 67964), (890, 33982), (1157, 26140), (1307, 23140), (1780, 16991), (2314, 13070), (2614, 11570), (4628, 6535), (5228, 5785)]