39538980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1$

素因数の和:366

約数の個数: 144

約数和(自身を含む): 131751984

約数和(自身を除く): 92213004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 61, 65, 78, 90, 117, 122, 130, 156, 180, 183, 195, 234, 244, 260, 277, 305, 366, 390, 468, 549, 554, 585, 610, 732, 780, 793, 831, 915, 1098, 1108, 1170, 1220, 1385, 1586, 1662, 1830, 2196, 2340, 2379, 2493, 2745, 2770, 3172, 3324, 3601, 3660, 3965, 4155, 4758, 4986, 5490, 5540, 7137, 7202, 7930, 8310, 9516, 9972, 10803, 10980, 11895, 12465, 14274, 14404, 15860, 16620, 16897, 18005, 21606, 23790, 24930, 28548, 32409, 33794, 35685, 36010, 43212, 47580, 49860, 50691, 54015, 64818, 67588, 71370, 72020, 84485, 101382, 108030, 129636, 142740, 152073, 162045, 168970, 202764, 216060, 219661, 253455, 304146, 324090, 337940, 439322, 506910, 608292, 648180, 658983, 760365, 878644, 1013820, 1098305, 1317966, 1520730, 1976949, 2196610, 2635932, 3041460, 3294915, 3953898, 4393220, 6589830, 7907796, 9884745, 13179660, 19769490, 39538980]

約数ペア:

[(1, 39538980), (2, 19769490), (3, 13179660), (4, 9884745), (5, 7907796), (6, 6589830), (9, 4393220), (10, 3953898), (12, 3294915), (13, 3041460), (15, 2635932), (18, 2196610), (20, 1976949), (26, 1520730), (30, 1317966), (36, 1098305), (39, 1013820), (45, 878644), (52, 760365), (60, 658983), (61, 648180), (65, 608292), (78, 506910), (90, 439322), (117, 337940), (122, 324090), (130, 304146), (156, 253455), (180, 219661), (183, 216060), (195, 202764), (234, 168970), (244, 162045), (260, 152073), (277, 142740), (305, 129636), (366, 108030), (390, 101382), (468, 84485), (549, 72020), (554, 71370), (585, 67588), (610, 64818), (732, 54015), (780, 50691), (793, 49860), (831, 47580), (915, 43212), (1098, 36010), (1108, 35685), (1170, 33794), (1220, 32409), (1385, 28548), (1586, 24930), (1662, 23790), (1830, 21606), (2196, 18005), (2340, 16897), (2379, 16620), (2493, 15860), (2745, 14404), (2770, 14274), (3172, 12465), (3324, 11895), (3601, 10980), (3660, 10803), (3965, 9972), (4155, 9516), (4758, 8310), (4986, 7930), (5490, 7202), (5540, 7137)]