64642890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1997}}^1$

素因数の和:2103

約数の個数: 64

約数和(自身を含む): 169174656

約数和(自身を除く): 104531766

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 83, 130, 166, 195, 249, 390, 415, 498, 830, 1079, 1245, 1997, 2158, 2490, 3237, 3994, 5395, 5991, 6474, 9985, 10790, 11982, 16185, 19970, 25961, 29955, 32370, 51922, 59910, 77883, 129805, 155766, 165751, 259610, 331502, 389415, 497253, 778830, 828755, 994506, 1657510, 2154763, 2486265, 4309526, 4972530, 6464289, 10773815, 12928578, 21547630, 32321445, 64642890]

約数ペア:

[(1, 64642890), (2, 32321445), (3, 21547630), (5, 12928578), (6, 10773815), (10, 6464289), (13, 4972530), (15, 4309526), (26, 2486265), (30, 2154763), (39, 1657510), (65, 994506), (78, 828755), (83, 778830), (130, 497253), (166, 389415), (195, 331502), (249, 259610), (390, 165751), (415, 155766), (498, 129805), (830, 77883), (1079, 59910), (1245, 51922), (1997, 32370), (2158, 29955), (2490, 25961), (3237, 19970), (3994, 16185), (5395, 11982), (5991, 10790), (6474, 9985)]