205255960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 256

約数和(自身を含む): 627056640

約数和(自身を除く): 421800680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 31, 34, 35, 40, 52, 56, 62, 65, 68, 70, 85, 91, 104, 107, 119, 124, 130, 136, 140, 155, 170, 182, 214, 217, 221, 238, 248, 260, 280, 310, 340, 364, 403, 428, 434, 442, 455, 476, 520, 527, 535, 595, 620, 680, 728, 749, 806, 856, 868, 884, 910, 952, 1054, 1070, 1085, 1105, 1190, 1240, 1391, 1498, 1547, 1612, 1736, 1768, 1819, 1820, 2015, 2108, 2140, 2170, 2210, 2380, 2635, 2782, 2821, 2996, 3094, 3224, 3317, 3638, 3640, 3689, 3745, 4030, 4216, 4280, 4340, 4420, 4760, 5270, 5564, 5642, 5992, 6188, 6634, 6851, 6955, 7276, 7378, 7490, 7735, 8060, 8680, 8840, 9095, 9737, 10540, 11128, 11284, 12376, 12733, 13268, 13702, 13910, 14105, 14552, 14756, 14980, 15470, 16120, 16585, 18190, 18445, 19474, 21080, 22568, 23219, 23647, 25466, 26536, 27404, 27820, 28210, 29512, 29960, 30940, 33170, 34255, 36380, 36890, 38948, 43121, 46438, 47294, 47957, 48685, 50932, 54808, 55640, 56389, 56420, 61880, 63665, 66340, 68510, 72760, 73780, 77896, 86242, 92876, 94588, 95914, 97370, 101864, 112778, 112840, 116095, 118235, 127330, 132680, 137020, 147560, 165529, 172484, 185752, 189176, 191828, 194740, 215605, 225556, 232190, 236470, 239785, 254660, 274040, 281945, 301847, 331058, 344968, 383656, 389480, 394723, 431210, 451112, 464380, 472940, 479570, 509320, 563890, 603694, 662116, 733057, 789446, 827645, 862420, 928760, 945880, 959140, 1127780, 1207388, 1324232, 1466114, 1509235, 1578892, 1655290, 1724840, 1918280, 1973615, 2255560, 2414776, 2932228, 3018470, 3157784, 3310580, 3665285, 3947230, 5131399, 5864456, 6036940, 6621160, 7330570, 7894460, 10262798, 12073880, 14661140, 15788920, 20525596, 25656995, 29322280, 41051192, 51313990, 102627980, 205255960]

約数ペア:

[(1, 205255960), (2, 102627980), (4, 51313990), (5, 41051192), (7, 29322280), (8, 25656995), (10, 20525596), (13, 15788920), (14, 14661140), (17, 12073880), (20, 10262798), (26, 7894460), (28, 7330570), (31, 6621160), (34, 6036940), (35, 5864456), (40, 5131399), (52, 3947230), (56, 3665285), (62, 3310580), (65, 3157784), (68, 3018470), (70, 2932228), (85, 2414776), (91, 2255560), (104, 1973615), (107, 1918280), (119, 1724840), (124, 1655290), (130, 1578892), (136, 1509235), (140, 1466114), (155, 1324232), (170, 1207388), (182, 1127780), (214, 959140), (217, 945880), (221, 928760), (238, 862420), (248, 827645), (260, 789446), (280, 733057), (310, 662116), (340, 603694), (364, 563890), (403, 509320), (428, 479570), (434, 472940), (442, 464380), (455, 451112), (476, 431210), (520, 394723), (527, 389480), (535, 383656), (595, 344968), (620, 331058), (680, 301847), (728, 281945), (749, 274040), (806, 254660), (856, 239785), (868, 236470), (884, 232190), (910, 225556), (952, 215605), (1054, 194740), (1070, 191828), (1085, 189176), (1105, 185752), (1190, 172484), (1240, 165529), (1391, 147560), (1498, 137020), (1547, 132680), (1612, 127330), (1736, 118235), (1768, 116095), (1819, 112840), (1820, 112778), (2015, 101864), (2108, 97370), (2140, 95914), (2170, 94588), (2210, 92876), (2380, 86242), (2635, 77896), (2782, 73780), (2821, 72760), (2996, 68510), (3094, 66340), (3224, 63665), (3317, 61880), (3638, 56420), (3640, 56389), (3689, 55640), (3745, 54808), (4030, 50932), (4216, 48685), (4280, 47957), (4340, 47294), (4420, 46438), (4760, 43121), (5270, 38948), (5564, 36890), (5642, 36380), (5992, 34255), (6188, 33170), (6634, 30940), (6851, 29960), (6955, 29512), (7276, 28210), (7378, 27820), (7490, 27404), (7735, 26536), (8060, 25466), (8680, 23647), (8840, 23219), (9095, 22568), (9737, 21080), (10540, 19474), (11128, 18445), (11284, 18190), (12376, 16585), (12733, 16120), (13268, 15470), (13702, 14980), (13910, 14756), (14105, 14552)]