1541320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 3939840

約数和(自身を除く): 2398520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 113, 124, 155, 220, 226, 248, 310, 341, 440, 452, 565, 620, 682, 904, 1130, 1240, 1243, 1364, 1705, 2260, 2486, 2728, 3410, 3503, 4520, 4972, 6215, 6820, 7006, 9944, 12430, 13640, 14012, 17515, 24860, 28024, 35030, 38533, 49720, 70060, 77066, 140120, 154132, 192665, 308264, 385330, 770660, 1541320]

約数ペア:

[(1, 1541320), (2, 770660), (4, 385330), (5, 308264), (8, 192665), (10, 154132), (11, 140120), (20, 77066), (22, 70060), (31, 49720), (40, 38533), (44, 35030), (55, 28024), (62, 24860), (88, 17515), (110, 14012), (113, 13640), (124, 12430), (155, 9944), (220, 7006), (226, 6820), (248, 6215), (310, 4972), (341, 4520), (440, 3503), (452, 3410), (565, 2728), (620, 2486), (682, 2260), (904, 1705), (1130, 1364), (1240, 1243)]