131015920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7547}}^1$

素因数の和:7598

約数の個数: 80

約数和(自身を含む): 359405568

約数和(自身を除く): 228389648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 7547, 8680, 15094, 17360, 30188, 37735, 52829, 60376, 75470, 105658, 120752, 150940, 211316, 233957, 264145, 301880, 422632, 467914, 528290, 603760, 845264, 935828, 1056580, 1169785, 1637699, 1871656, 2113160, 2339570, 3275398, 3743312, 4226320, 4679140, 6550796, 8188495, 9358280, 13101592, 16376990, 18716560, 26203184, 32753980, 65507960, 131015920]

約数ペア:

[(1, 131015920), (2, 65507960), (4, 32753980), (5, 26203184), (7, 18716560), (8, 16376990), (10, 13101592), (14, 9358280), (16, 8188495), (20, 6550796), (28, 4679140), (31, 4226320), (35, 3743312), (40, 3275398), (56, 2339570), (62, 2113160), (70, 1871656), (80, 1637699), (112, 1169785), (124, 1056580), (140, 935828), (155, 845264), (217, 603760), (248, 528290), (280, 467914), (310, 422632), (434, 301880), (496, 264145), (560, 233957), (620, 211316), (868, 150940), (1085, 120752), (1240, 105658), (1736, 75470), (2170, 60376), (2480, 52829), (3472, 37735), (4340, 30188), (7547, 17360), (8680, 15094)]