2688968960

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19273}}^1$

素因数の和:19403

約数の個数: 72

約数和(自身を含む): 6500349240

約数和(自身を除く): 3811380280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 256, 320, 436, 545, 640, 872, 1090, 1280, 1744, 2180, 3488, 4360, 6976, 8720, 13952, 17440, 19273, 27904, 34880, 38546, 69760, 77092, 96365, 139520, 154184, 192730, 308368, 385460, 616736, 770920, 1233472, 1541840, 2100757, 2466944, 3083680, 4201514, 4933888, 6167360, 8403028, 10503785, 12334720, 16806056, 21007570, 24669440, 33612112, 42015140, 67224224, 84030280, 134448448, 168060560, 268896896, 336121120, 537793792, 672242240, 1344484480, 2688968960]

約数ペア:

[(1, 2688968960), (2, 1344484480), (4, 672242240), (5, 537793792), (8, 336121120), (10, 268896896), (16, 168060560), (20, 134448448), (32, 84030280), (40, 67224224), (64, 42015140), (80, 33612112), (109, 24669440), (128, 21007570), (160, 16806056), (218, 12334720), (256, 10503785), (320, 8403028), (436, 6167360), (545, 4933888), (640, 4201514), (872, 3083680), (1090, 2466944), (1280, 2100757), (1744, 1541840), (2180, 1233472), (3488, 770920), (4360, 616736), (6976, 385460), (8720, 308368), (13952, 192730), (17440, 154184), (19273, 139520), (27904, 96365), (34880, 77092), (38546, 69760)]