17698980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{22691}}^1$

素因数の和:22716

約数の個数: 48

約数和(自身を含む): 53371584

約数和(自身を除く): 35672604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 22691, 45382, 68073, 90764, 113455, 136146, 226910, 272292, 294983, 340365, 453820, 589966, 680730, 884949, 1179932, 1361460, 1474915, 1769898, 2949830, 3539796, 4424745, 5899660, 8849490, 17698980]

約数ペア:

[(1, 17698980), (2, 8849490), (3, 5899660), (4, 4424745), (5, 3539796), (6, 2949830), (10, 1769898), (12, 1474915), (13, 1361460), (15, 1179932), (20, 884949), (26, 680730), (30, 589966), (39, 453820), (52, 340365), (60, 294983), (65, 272292), (78, 226910), (130, 136146), (156, 113455), (195, 90764), (260, 68073), (390, 45382), (780, 22691)]