13720920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1049}}^1$

素因数の和:1172

約数の個数: 64

約数和(自身を含む): 41580000

約数和(自身を除く): 27859080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1049, 1090, 1308, 1635, 2098, 2180, 2616, 3147, 3270, 4196, 4360, 5245, 6294, 6540, 8392, 10490, 12588, 13080, 15735, 20980, 25176, 31470, 41960, 62940, 114341, 125880, 228682, 343023, 457364, 571705, 686046, 914728, 1143410, 1372092, 1715115, 2286820, 2744184, 3430230, 4573640, 6860460, 13720920]

約数ペア:

[(1, 13720920), (2, 6860460), (3, 4573640), (4, 3430230), (5, 2744184), (6, 2286820), (8, 1715115), (10, 1372092), (12, 1143410), (15, 914728), (20, 686046), (24, 571705), (30, 457364), (40, 343023), (60, 228682), (109, 125880), (120, 114341), (218, 62940), (327, 41960), (436, 31470), (545, 25176), (654, 20980), (872, 15735), (1049, 13080), (1090, 12588), (1308, 10490), (1635, 8392), (2098, 6540), (2180, 6294), (2616, 5245), (3147, 4360), (3270, 4196)]