156904280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15881}}^1$

素因数の和:15924

約数の個数: 64

約数和(自身を含む): 400226400

約数和(自身を除く): 243322120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 15881, 31762, 63524, 79405, 127048, 158810, 206453, 301739, 317620, 412906, 603478, 635240, 825812, 1032265, 1206956, 1508695, 1651624, 2064530, 2413912, 3017390, 3922607, 4129060, 6034780, 7845214, 8258120, 12069560, 15690428, 19613035, 31380856, 39226070, 78452140, 156904280]

約数ペア:

[(1, 156904280), (2, 78452140), (4, 39226070), (5, 31380856), (8, 19613035), (10, 15690428), (13, 12069560), (19, 8258120), (20, 7845214), (26, 6034780), (38, 4129060), (40, 3922607), (52, 3017390), (65, 2413912), (76, 2064530), (95, 1651624), (104, 1508695), (130, 1206956), (152, 1032265), (190, 825812), (247, 635240), (260, 603478), (380, 412906), (494, 317620), (520, 301739), (760, 206453), (988, 158810), (1235, 127048), (1976, 79405), (2470, 63524), (4940, 31762), (9880, 15881)]