520675740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222511}}^1$

素因数の和:222539

約数の個数: 72

約数和(自身を含む): 1700881728

約数和(自身を除く): 1180205988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 222511, 445022, 667533, 890044, 1112555, 1335066, 2002599, 2225110, 2670132, 2892643, 3337665, 4005198, 4450220, 5785286, 6675330, 8010396, 8677929, 10012995, 11570572, 13350660, 14463215, 17355858, 20025990, 26033787, 28926430, 34711716, 40051980, 43389645, 52067574, 57852860, 86779290, 104135148, 130168935, 173558580, 260337870, 520675740]

約数ペア:

[(1, 520675740), (2, 260337870), (3, 173558580), (4, 130168935), (5, 104135148), (6, 86779290), (9, 57852860), (10, 52067574), (12, 43389645), (13, 40051980), (15, 34711716), (18, 28926430), (20, 26033787), (26, 20025990), (30, 17355858), (36, 14463215), (39, 13350660), (45, 11570572), (52, 10012995), (60, 8677929), (65, 8010396), (78, 6675330), (90, 5785286), (117, 4450220), (130, 4005198), (156, 3337665), (180, 2892643), (195, 2670132), (234, 2225110), (260, 2002599), (390, 1335066), (468, 1112555), (585, 890044), (780, 667533), (1170, 445022), (2340, 222511)]