253712680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15739}}^1$

素因数の和:15794

約数の個数: 64

約数和(自身を含む): 634636800

約数和(自身を除く): 380924120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 15739, 16120, 31478, 62956, 78695, 125912, 157390, 204607, 314780, 409214, 487909, 629560, 818428, 975818, 1023035, 1636856, 1951636, 2046070, 2439545, 3903272, 4092140, 4879090, 6342817, 8184280, 9758180, 12685634, 19516360, 25371268, 31714085, 50742536, 63428170, 126856340, 253712680]

約数ペア:

[(1, 253712680), (2, 126856340), (4, 63428170), (5, 50742536), (8, 31714085), (10, 25371268), (13, 19516360), (20, 12685634), (26, 9758180), (31, 8184280), (40, 6342817), (52, 4879090), (62, 4092140), (65, 3903272), (104, 2439545), (124, 2046070), (130, 1951636), (155, 1636856), (248, 1023035), (260, 975818), (310, 818428), (403, 629560), (520, 487909), (620, 409214), (806, 314780), (1240, 204607), (1612, 157390), (2015, 125912), (3224, 78695), (4030, 62956), (8060, 31478), (15739, 16120)]