15697923920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{394817}}^1$

素因数の和:394908

約数の個数: 80

約数和(自身を含む): 42299221248

約数和(自身を除く): 26601297328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3976, 4970, 5680, 7952, 9940, 19880, 39760, 394817, 789634, 1579268, 1974085, 2763719, 3158536, 3948170, 5527438, 6317072, 7896340, 11054876, 13818595, 15792680, 22109752, 27637190, 28032007, 31585360, 44219504, 55274380, 56064014, 110548760, 112128028, 140160035, 196224049, 221097520, 224256056, 280320070, 392448098, 448512112, 560640140, 784896196, 981120245, 1121280280, 1569792392, 1962240490, 2242560560, 3139584784, 3924480980, 7848961960, 15697923920]

約数ペア:

[(1, 15697923920), (2, 7848961960), (4, 3924480980), (5, 3139584784), (7, 2242560560), (8, 1962240490), (10, 1569792392), (14, 1121280280), (16, 981120245), (20, 784896196), (28, 560640140), (35, 448512112), (40, 392448098), (56, 280320070), (70, 224256056), (71, 221097520), (80, 196224049), (112, 140160035), (140, 112128028), (142, 110548760), (280, 56064014), (284, 55274380), (355, 44219504), (497, 31585360), (560, 28032007), (568, 27637190), (710, 22109752), (994, 15792680), (1136, 13818595), (1420, 11054876), (1988, 7896340), (2485, 6317072), (2840, 5527438), (3976, 3948170), (4970, 3158536), (5680, 2763719), (7952, 1974085), (9940, 1579268), (19880, 789634), (39760, 394817)]