152638640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:451

約数の個数: 160

約数和(自身を含む): 449971200

約数和(自身を除く): 297332560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 80, 88, 110, 112, 140, 142, 154, 176, 220, 280, 284, 308, 349, 355, 385, 440, 497, 560, 568, 616, 698, 710, 770, 781, 880, 994, 1136, 1232, 1396, 1420, 1540, 1562, 1745, 1988, 2443, 2485, 2792, 2840, 3080, 3124, 3490, 3839, 3905, 3976, 4886, 4970, 5467, 5584, 5680, 6160, 6248, 6980, 7678, 7810, 7952, 9772, 9940, 10934, 12215, 12496, 13960, 15356, 15620, 19195, 19544, 19880, 21868, 24430, 24779, 26873, 27335, 27920, 30712, 31240, 38390, 39088, 39760, 43736, 48860, 49558, 53746, 54670, 61424, 62480, 76780, 87472, 97720, 99116, 107492, 109340, 123895, 134365, 153560, 173453, 195440, 198232, 214984, 218680, 247790, 268730, 272569, 307120, 346906, 396464, 429968, 437360, 495580, 537460, 545138, 693812, 867265, 991160, 1074920, 1090276, 1362845, 1387624, 1734530, 1907983, 1982320, 2149840, 2180552, 2725690, 2775248, 3469060, 3815966, 4361104, 5451380, 6938120, 7631932, 9539915, 10902760, 13876240, 15263864, 19079830, 21805520, 30527728, 38159660, 76319320, 152638640]

約数ペア:

[(1, 152638640), (2, 76319320), (4, 38159660), (5, 30527728), (7, 21805520), (8, 19079830), (10, 15263864), (11, 13876240), (14, 10902760), (16, 9539915), (20, 7631932), (22, 6938120), (28, 5451380), (35, 4361104), (40, 3815966), (44, 3469060), (55, 2775248), (56, 2725690), (70, 2180552), (71, 2149840), (77, 1982320), (80, 1907983), (88, 1734530), (110, 1387624), (112, 1362845), (140, 1090276), (142, 1074920), (154, 991160), (176, 867265), (220, 693812), (280, 545138), (284, 537460), (308, 495580), (349, 437360), (355, 429968), (385, 396464), (440, 346906), (497, 307120), (560, 272569), (568, 268730), (616, 247790), (698, 218680), (710, 214984), (770, 198232), (781, 195440), (880, 173453), (994, 153560), (1136, 134365), (1232, 123895), (1396, 109340), (1420, 107492), (1540, 99116), (1562, 97720), (1745, 87472), (1988, 76780), (2443, 62480), (2485, 61424), (2792, 54670), (2840, 53746), (3080, 49558), (3124, 48860), (3490, 43736), (3839, 39760), (3905, 39088), (3976, 38390), (4886, 31240), (4970, 30712), (5467, 27920), (5584, 27335), (5680, 26873), (6160, 24779), (6248, 24430), (6980, 21868), (7678, 19880), (7810, 19544), (7952, 19195), (9772, 15620), (9940, 15356), (10934, 13960), (12215, 12496)]