12920040

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{1709}}^1$

素因数の和:1736

約数の個数: 128

約数和(自身を含む): 49248000

約数和(自身を除く): 36327960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1709, 1890, 2520, 3418, 3780, 5127, 6836, 7560, 8545, 10254, 11963, 13672, 15381, 17090, 20508, 23926, 25635, 30762, 34180, 35889, 41016, 46143, 47852, 51270, 59815, 61524, 68360, 71778, 76905, 92286, 95704, 102540, 107667, 119630, 123048, 143556, 153810, 179445, 184572, 205080, 215334, 230715, 239260, 287112, 307620, 323001, 358890, 369144, 430668, 461430, 478520, 538335, 615240, 646002, 717780, 861336, 922860, 1076670, 1292004, 1435560, 1615005, 1845720, 2153340, 2584008, 3230010, 4306680, 6460020, 12920040]

約数ペア:

[(1, 12920040), (2, 6460020), (3, 4306680), (4, 3230010), (5, 2584008), (6, 2153340), (7, 1845720), (8, 1615005), (9, 1435560), (10, 1292004), (12, 1076670), (14, 922860), (15, 861336), (18, 717780), (20, 646002), (21, 615240), (24, 538335), (27, 478520), (28, 461430), (30, 430668), (35, 369144), (36, 358890), (40, 323001), (42, 307620), (45, 287112), (54, 239260), (56, 230715), (60, 215334), (63, 205080), (70, 184572), (72, 179445), (84, 153810), (90, 143556), (105, 123048), (108, 119630), (120, 107667), (126, 102540), (135, 95704), (140, 92286), (168, 76905), (180, 71778), (189, 68360), (210, 61524), (216, 59815), (252, 51270), (270, 47852), (280, 46143), (315, 41016), (360, 35889), (378, 34180), (420, 30762), (504, 25635), (540, 23926), (630, 20508), (756, 17090), (840, 15381), (945, 13672), (1080, 11963), (1260, 10254), (1512, 8545), (1709, 7560), (1890, 6836), (2520, 5127), (3418, 3780)]