13361440

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^2\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 72

約数和(自身を含む): 32974452

約数和(自身を除く): 19613012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 61, 74, 80, 122, 148, 160, 185, 244, 296, 305, 370, 488, 592, 610, 740, 976, 1184, 1220, 1369, 1480, 1952, 2257, 2440, 2738, 2960, 4514, 4880, 5476, 5920, 6845, 9028, 9760, 10952, 11285, 13690, 18056, 21904, 22570, 27380, 36112, 43808, 45140, 54760, 72224, 83509, 90280, 109520, 167018, 180560, 219040, 334036, 361120, 417545, 668072, 835090, 1336144, 1670180, 2672288, 3340360, 6680720, 13361440]

約数ペア:

[(1, 13361440), (2, 6680720), (4, 3340360), (5, 2672288), (8, 1670180), (10, 1336144), (16, 835090), (20, 668072), (32, 417545), (37, 361120), (40, 334036), (61, 219040), (74, 180560), (80, 167018), (122, 109520), (148, 90280), (160, 83509), (185, 72224), (244, 54760), (296, 45140), (305, 43808), (370, 36112), (488, 27380), (592, 22570), (610, 21904), (740, 18056), (976, 13690), (1184, 11285), (1220, 10952), (1369, 9760), (1480, 9028), (1952, 6845), (2257, 5920), (2440, 5476), (2738, 4880), (2960, 4514)]