209810760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:687

約数の個数: 128

約数和(自身を含む): 654065280

約数和(自身を除く): 444254520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 73, 86, 120, 129, 146, 172, 215, 219, 258, 292, 344, 365, 430, 438, 516, 557, 584, 645, 730, 860, 876, 1032, 1095, 1114, 1290, 1460, 1671, 1720, 1752, 2190, 2228, 2580, 2785, 2920, 3139, 3342, 4380, 4456, 5160, 5570, 6278, 6684, 8355, 8760, 9417, 11140, 12556, 13368, 15695, 16710, 18834, 22280, 23951, 25112, 31390, 33420, 37668, 40661, 47085, 47902, 62780, 66840, 71853, 75336, 81322, 94170, 95804, 119755, 121983, 125560, 143706, 162644, 188340, 191608, 203305, 239510, 243966, 287412, 325288, 359265, 376680, 406610, 479020, 487932, 574824, 609915, 718530, 813220, 958040, 975864, 1219830, 1437060, 1626440, 1748423, 2439660, 2874120, 3496846, 4879320, 5245269, 6993692, 8742115, 10490538, 13987384, 17484230, 20981076, 26226345, 34968460, 41962152, 52452690, 69936920, 104905380, 209810760]

約数ペア:

[(1, 209810760), (2, 104905380), (3, 69936920), (4, 52452690), (5, 41962152), (6, 34968460), (8, 26226345), (10, 20981076), (12, 17484230), (15, 13987384), (20, 10490538), (24, 8742115), (30, 6993692), (40, 5245269), (43, 4879320), (60, 3496846), (73, 2874120), (86, 2439660), (120, 1748423), (129, 1626440), (146, 1437060), (172, 1219830), (215, 975864), (219, 958040), (258, 813220), (292, 718530), (344, 609915), (365, 574824), (430, 487932), (438, 479020), (516, 406610), (557, 376680), (584, 359265), (645, 325288), (730, 287412), (860, 243966), (876, 239510), (1032, 203305), (1095, 191608), (1114, 188340), (1290, 162644), (1460, 143706), (1671, 125560), (1720, 121983), (1752, 119755), (2190, 95804), (2228, 94170), (2580, 81322), (2785, 75336), (2920, 71853), (3139, 66840), (3342, 62780), (4380, 47902), (4456, 47085), (5160, 40661), (5570, 37668), (6278, 33420), (6684, 31390), (8355, 25112), (8760, 23951), (9417, 22280), (11140, 18834), (12556, 16710), (13368, 15695)]