68240920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5003}}^1$

素因数の和:5056

約数の個数: 64

約数和(自身を含む): 172938240

約数和(自身を除く): 104697320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 5003, 6820, 10006, 13640, 20012, 25015, 40024, 50030, 55033, 100060, 110066, 155093, 200120, 220132, 275165, 310186, 440264, 550330, 620372, 775465, 1100660, 1240744, 1550930, 1706023, 2201320, 3101860, 3412046, 6203720, 6824092, 8530115, 13648184, 17060230, 34120460, 68240920]

約数ペア:

[(1, 68240920), (2, 34120460), (4, 17060230), (5, 13648184), (8, 8530115), (10, 6824092), (11, 6203720), (20, 3412046), (22, 3101860), (31, 2201320), (40, 1706023), (44, 1550930), (55, 1240744), (62, 1100660), (88, 775465), (110, 620372), (124, 550330), (155, 440264), (220, 310186), (248, 275165), (310, 220132), (341, 200120), (440, 155093), (620, 110066), (682, 100060), (1240, 55033), (1364, 50030), (1705, 40024), (2728, 25015), (3410, 20012), (5003, 13640), (6820, 10006)]