2809560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1801}}^1$

素因数の和:1828

約数の個数: 64

約数和(自身を含む): 9082080

約数和(自身を除く): 6272520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 1801, 3602, 5403, 7204, 9005, 10806, 14408, 18010, 21612, 23413, 27015, 36020, 43224, 46826, 54030, 70239, 72040, 93652, 108060, 117065, 140478, 187304, 216120, 234130, 280956, 351195, 468260, 561912, 702390, 936520, 1404780, 2809560]

約数ペア:

[(1, 2809560), (2, 1404780), (3, 936520), (4, 702390), (5, 561912), (6, 468260), (8, 351195), (10, 280956), (12, 234130), (13, 216120), (15, 187304), (20, 140478), (24, 117065), (26, 108060), (30, 93652), (39, 72040), (40, 70239), (52, 54030), (60, 46826), (65, 43224), (78, 36020), (104, 27015), (120, 23413), (130, 21612), (156, 18010), (195, 14408), (260, 10806), (312, 9005), (390, 7204), (520, 5403), (780, 3602), (1560, 1801)]