78326920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3541}}^1$

素因数の和:3638

約数の個数: 64

約数和(自身を含む): 204019200

約数和(自身を除く): 125692280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 3541, 4424, 5530, 7082, 11060, 14164, 17705, 22120, 24787, 28328, 35410, 49574, 70820, 99148, 123935, 141640, 198296, 247870, 279739, 495740, 559478, 991480, 1118956, 1398695, 1958173, 2237912, 2797390, 3916346, 5594780, 7832692, 9790865, 11189560, 15665384, 19581730, 39163460, 78326920]

約数ペア:

[(1, 78326920), (2, 39163460), (4, 19581730), (5, 15665384), (7, 11189560), (8, 9790865), (10, 7832692), (14, 5594780), (20, 3916346), (28, 2797390), (35, 2237912), (40, 1958173), (56, 1398695), (70, 1118956), (79, 991480), (140, 559478), (158, 495740), (280, 279739), (316, 247870), (395, 198296), (553, 141640), (632, 123935), (790, 99148), (1106, 70820), (1580, 49574), (2212, 35410), (2765, 28328), (3160, 24787), (3541, 22120), (4424, 17705), (5530, 14164), (7082, 11060)]