64533320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{733}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 152202240

約数和(自身を除く): 87668920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 355, 568, 620, 710, 733, 1240, 1420, 1466, 2201, 2840, 2932, 3665, 4402, 5864, 7330, 8804, 11005, 14660, 17608, 22010, 22723, 29320, 44020, 45446, 52043, 88040, 90892, 104086, 113615, 181784, 208172, 227230, 260215, 416344, 454460, 520430, 908920, 1040860, 1613333, 2081720, 3226666, 6453332, 8066665, 12906664, 16133330, 32266660, 64533320]

約数ペア:

[(1, 64533320), (2, 32266660), (4, 16133330), (5, 12906664), (8, 8066665), (10, 6453332), (20, 3226666), (31, 2081720), (40, 1613333), (62, 1040860), (71, 908920), (124, 520430), (142, 454460), (155, 416344), (248, 260215), (284, 227230), (310, 208172), (355, 181784), (568, 113615), (620, 104086), (710, 90892), (733, 88040), (1240, 52043), (1420, 45446), (1466, 44020), (2201, 29320), (2840, 22723), (2932, 22010), (3665, 17608), (4402, 14660), (5864, 11005), (7330, 8804)]