220817640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{23293}}^1$

素因数の和:23386

約数の個数: 64

約数和(自身を含む): 670867200

約数和(自身を除く): 450049560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 23293, 46586, 69879, 93172, 116465, 139758, 186344, 232930, 279516, 349395, 465860, 559032, 698790, 931720, 1397580, 1840147, 2795160, 3680294, 5520441, 7360588, 9200735, 11040882, 14721176, 18401470, 22081764, 27602205, 36802940, 44163528, 55204410, 73605880, 110408820, 220817640]

約数ペア:

[(1, 220817640), (2, 110408820), (3, 73605880), (4, 55204410), (5, 44163528), (6, 36802940), (8, 27602205), (10, 22081764), (12, 18401470), (15, 14721176), (20, 11040882), (24, 9200735), (30, 7360588), (40, 5520441), (60, 3680294), (79, 2795160), (120, 1840147), (158, 1397580), (237, 931720), (316, 698790), (395, 559032), (474, 465860), (632, 349395), (790, 279516), (948, 232930), (1185, 186344), (1580, 139758), (1896, 116465), (2370, 93172), (3160, 69879), (4740, 46586), (9480, 23293)]