78858920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16567}}^1$

素因数の和:16602

約数の個数: 64

約数和(自身を含む): 214721280

約数和(自身を除く): 135862360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 16567, 33134, 66268, 82835, 115969, 132536, 165670, 231938, 281639, 331340, 463876, 563278, 579845, 662680, 927752, 1126556, 1159690, 1408195, 1971473, 2253112, 2319380, 2816390, 3942946, 4638760, 5632780, 7885892, 9857365, 11265560, 15771784, 19714730, 39429460, 78858920]

約数ペア:

[(1, 78858920), (2, 39429460), (4, 19714730), (5, 15771784), (7, 11265560), (8, 9857365), (10, 7885892), (14, 5632780), (17, 4638760), (20, 3942946), (28, 2816390), (34, 2319380), (35, 2253112), (40, 1971473), (56, 1408195), (68, 1159690), (70, 1126556), (85, 927752), (119, 662680), (136, 579845), (140, 563278), (170, 463876), (238, 331340), (280, 281639), (340, 231938), (476, 165670), (595, 132536), (680, 115969), (952, 82835), (1190, 66268), (2380, 33134), (4760, 16567)]