138291280

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:508

約数の個数: 80

約数和(自身を含む): 331853760

約数和(自身を除く): 193562480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 83, 118, 166, 236, 295, 332, 353, 415, 472, 590, 664, 706, 830, 944, 1180, 1328, 1412, 1660, 1765, 2360, 2824, 3320, 3530, 4720, 4897, 5648, 6640, 7060, 9794, 14120, 19588, 20827, 24485, 28240, 29299, 39176, 41654, 48970, 58598, 78352, 83308, 97940, 104135, 117196, 146495, 166616, 195880, 208270, 234392, 292990, 333232, 391760, 416540, 468784, 585980, 833080, 1171960, 1666160, 1728641, 2343920, 3457282, 6914564, 8643205, 13829128, 17286410, 27658256, 34572820, 69145640, 138291280]

約数ペア:

[(1, 138291280), (2, 69145640), (4, 34572820), (5, 27658256), (8, 17286410), (10, 13829128), (16, 8643205), (20, 6914564), (40, 3457282), (59, 2343920), (80, 1728641), (83, 1666160), (118, 1171960), (166, 833080), (236, 585980), (295, 468784), (332, 416540), (353, 391760), (415, 333232), (472, 292990), (590, 234392), (664, 208270), (706, 195880), (830, 166616), (944, 146495), (1180, 117196), (1328, 104135), (1412, 97940), (1660, 83308), (1765, 78352), (2360, 58598), (2824, 48970), (3320, 41654), (3530, 39176), (4720, 29299), (4897, 28240), (5648, 24485), (6640, 20827), (7060, 19588), (9794, 14120)]