15449980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{653}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 40213152

約数和(自身を除く): 24763172

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 653, 676, 845, 910, 1183, 1306, 1690, 1820, 2366, 2612, 3265, 3380, 4571, 4732, 5915, 6530, 8489, 9142, 11830, 13060, 16978, 18284, 22855, 23660, 33956, 42445, 45710, 59423, 84890, 91420, 110357, 118846, 169780, 220714, 237692, 297115, 441428, 551785, 594230, 772499, 1103570, 1188460, 1544998, 2207140, 3089996, 3862495, 7724990, 15449980]

約数ペア:

[(1, 15449980), (2, 7724990), (4, 3862495), (5, 3089996), (7, 2207140), (10, 1544998), (13, 1188460), (14, 1103570), (20, 772499), (26, 594230), (28, 551785), (35, 441428), (52, 297115), (65, 237692), (70, 220714), (91, 169780), (130, 118846), (140, 110357), (169, 91420), (182, 84890), (260, 59423), (338, 45710), (364, 42445), (455, 33956), (653, 23660), (676, 22855), (845, 18284), (910, 16978), (1183, 13060), (1306, 11830), (1690, 9142), (1820, 8489), (2366, 6530), (2612, 5915), (3265, 4732), (3380, 4571)]