990565320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{266281}}^1$

素因数の和:266326

約数の個数: 64

約数和(自身を含む): 3067568640

約数和(自身を除く): 2077003320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 266281, 532562, 798843, 1065124, 1331405, 1597686, 2130248, 2662810, 3195372, 3994215, 5325620, 6390744, 7988430, 8254711, 10651240, 15976860, 16509422, 24764133, 31953720, 33018844, 41273555, 49528266, 66037688, 82547110, 99056532, 123820665, 165094220, 198113064, 247641330, 330188440, 495282660, 990565320]

約数ペア:

[(1, 990565320), (2, 495282660), (3, 330188440), (4, 247641330), (5, 198113064), (6, 165094220), (8, 123820665), (10, 99056532), (12, 82547110), (15, 66037688), (20, 49528266), (24, 41273555), (30, 33018844), (31, 31953720), (40, 24764133), (60, 16509422), (62, 15976860), (93, 10651240), (120, 8254711), (124, 7988430), (155, 6390744), (186, 5325620), (248, 3994215), (310, 3195372), (372, 2662810), (465, 2130248), (620, 1597686), (744, 1331405), (930, 1065124), (1240, 798843), (1860, 532562), (3720, 266281)]