1214212880

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1\times {\mathrm{349}}^1$

素因数の和:796

約数の個数: 80

約数和(自身を含む): 2859452400

約数和(自身を除く): 1645239520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 277, 314, 349, 554, 628, 698, 785, 1108, 1256, 1385, 1396, 1570, 1745, 2216, 2512, 2770, 2792, 3140, 3490, 4432, 5540, 5584, 6280, 6980, 11080, 12560, 13960, 22160, 27920, 43489, 54793, 86978, 96673, 109586, 173956, 193346, 217445, 219172, 273965, 347912, 386692, 434890, 438344, 483365, 547930, 695824, 773384, 869780, 876688, 966730, 1095860, 1546768, 1739560, 1933460, 2191720, 3479120, 3866920, 4383440, 7733840, 15177661, 30355322, 60710644, 75888305, 121421288, 151776610, 242842576, 303553220, 607106440, 1214212880]

約数ペア:

[(1, 1214212880), (2, 607106440), (4, 303553220), (5, 242842576), (8, 151776610), (10, 121421288), (16, 75888305), (20, 60710644), (40, 30355322), (80, 15177661), (157, 7733840), (277, 4383440), (314, 3866920), (349, 3479120), (554, 2191720), (628, 1933460), (698, 1739560), (785, 1546768), (1108, 1095860), (1256, 966730), (1385, 876688), (1396, 869780), (1570, 773384), (1745, 695824), (2216, 547930), (2512, 483365), (2770, 438344), (2792, 434890), (3140, 386692), (3490, 347912), (4432, 273965), (5540, 219172), (5584, 217445), (6280, 193346), (6980, 173956), (11080, 109586), (12560, 96673), (13960, 86978), (22160, 54793), (27920, 43489)]