289763820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51929}}^1$

素因数の和:51975

約数の個数: 72

約数和(自身を含む): 907320960

約数和(自身を除く): 617557140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 51929, 103858, 155787, 207716, 259645, 311574, 467361, 519290, 623148, 778935, 934722, 1038580, 1557870, 1609799, 1869444, 2336805, 3115740, 3219598, 4673610, 4829397, 6439196, 8048995, 9347220, 9658794, 14488191, 16097990, 19317588, 24146985, 28976382, 32195980, 48293970, 57952764, 72440955, 96587940, 144881910, 289763820]

約数ペア:

[(1, 289763820), (2, 144881910), (3, 96587940), (4, 72440955), (5, 57952764), (6, 48293970), (9, 32195980), (10, 28976382), (12, 24146985), (15, 19317588), (18, 16097990), (20, 14488191), (30, 9658794), (31, 9347220), (36, 8048995), (45, 6439196), (60, 4829397), (62, 4673610), (90, 3219598), (93, 3115740), (124, 2336805), (155, 1869444), (180, 1609799), (186, 1557870), (279, 1038580), (310, 934722), (372, 778935), (465, 623148), (558, 519290), (620, 467361), (930, 311574), (1116, 259645), (1395, 207716), (1860, 155787), (2790, 103858), (5580, 51929)]