1290840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 4008960

約数和(自身を除く): 2718120

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, 347, 372, 465, 620, 694, 744, 930, 1041, 1240, 1388, 1735, 1860, 2082, 2776, 3470, 3720, 4164, 5205, 6940, 8328, 10410, 10757, 13880, 20820, 21514, 32271, 41640, 43028, 53785, 64542, 86056, 107570, 129084, 161355, 215140, 258168, 322710, 430280, 645420, 1290840]

約数ペア:

[(1, 1290840), (2, 645420), (3, 430280), (4, 322710), (5, 258168), (6, 215140), (8, 161355), (10, 129084), (12, 107570), (15, 86056), (20, 64542), (24, 53785), (30, 43028), (31, 41640), (40, 32271), (60, 21514), (62, 20820), (93, 13880), (120, 10757), (124, 10410), (155, 8328), (186, 6940), (248, 5205), (310, 4164), (347, 3720), (372, 3470), (465, 2776), (620, 2082), (694, 1860), (744, 1735), (930, 1388), (1041, 1240)]