257822760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 256

約数和(自身を含む): 889056000

約数和(自身を除く): 631233240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 41, 52, 58, 60, 65, 78, 82, 87, 104, 116, 120, 123, 130, 139, 145, 156, 164, 174, 195, 205, 232, 246, 260, 278, 290, 312, 328, 348, 377, 390, 410, 417, 435, 492, 520, 533, 556, 580, 615, 695, 696, 754, 780, 820, 834, 870, 984, 1066, 1112, 1131, 1160, 1189, 1230, 1390, 1508, 1560, 1599, 1640, 1668, 1740, 1807, 1885, 2085, 2132, 2262, 2378, 2460, 2665, 2780, 3016, 3198, 3336, 3480, 3567, 3614, 3770, 4031, 4170, 4264, 4524, 4756, 4920, 5330, 5421, 5560, 5655, 5699, 5945, 6396, 7134, 7228, 7540, 7995, 8062, 8340, 9035, 9048, 9512, 10660, 10842, 11310, 11398, 11890, 12093, 12792, 14268, 14456, 15080, 15457, 15990, 16124, 16680, 17097, 17835, 18070, 20155, 21320, 21684, 22620, 22796, 23780, 24186, 27105, 28495, 28536, 30914, 31980, 32248, 34194, 35670, 36140, 40310, 43368, 45240, 45592, 46371, 47560, 48372, 52403, 54210, 56990, 60465, 61828, 63960, 68388, 71340, 72280, 74087, 77285, 80620, 85485, 92742, 96744, 104806, 108420, 113980, 120930, 123656, 136776, 142680, 148174, 154570, 157209, 161240, 165271, 170970, 185484, 209612, 216840, 222261, 227960, 231855, 241860, 262015, 296348, 309140, 314418, 330542, 341940, 370435, 370968, 419224, 444522, 463710, 483720, 495813, 524030, 592696, 618280, 628836, 661084, 683880, 740870, 786045, 826355, 889044, 927420, 991626, 1048060, 1111305, 1257672, 1322168, 1481740, 1572090, 1652710, 1778088, 1854840, 1983252, 2096120, 2148523, 2222610, 2479065, 2963480, 3144180, 3305420, 3966504, 4297046, 4445220, 4958130, 6288360, 6445569, 6610840, 8594092, 8890440, 9916260, 10742615, 12891138, 17188184, 19832520, 21485230, 25782276, 32227845, 42970460, 51564552, 64455690, 85940920, 128911380, 257822760]

約数ペア:

[(1, 257822760), (2, 128911380), (3, 85940920), (4, 64455690), (5, 51564552), (6, 42970460), (8, 32227845), (10, 25782276), (12, 21485230), (13, 19832520), (15, 17188184), (20, 12891138), (24, 10742615), (26, 9916260), (29, 8890440), (30, 8594092), (39, 6610840), (40, 6445569), (41, 6288360), (52, 4958130), (58, 4445220), (60, 4297046), (65, 3966504), (78, 3305420), (82, 3144180), (87, 2963480), (104, 2479065), (116, 2222610), (120, 2148523), (123, 2096120), (130, 1983252), (139, 1854840), (145, 1778088), (156, 1652710), (164, 1572090), (174, 1481740), (195, 1322168), (205, 1257672), (232, 1111305), (246, 1048060), (260, 991626), (278, 927420), (290, 889044), (312, 826355), (328, 786045), (348, 740870), (377, 683880), (390, 661084), (410, 628836), (417, 618280), (435, 592696), (492, 524030), (520, 495813), (533, 483720), (556, 463710), (580, 444522), (615, 419224), (695, 370968), (696, 370435), (754, 341940), (780, 330542), (820, 314418), (834, 309140), (870, 296348), (984, 262015), (1066, 241860), (1112, 231855), (1131, 227960), (1160, 222261), (1189, 216840), (1230, 209612), (1390, 185484), (1508, 170970), (1560, 165271), (1599, 161240), (1640, 157209), (1668, 154570), (1740, 148174), (1807, 142680), (1885, 136776), (2085, 123656), (2132, 120930), (2262, 113980), (2378, 108420), (2460, 104806), (2665, 96744), (2780, 92742), (3016, 85485), (3198, 80620), (3336, 77285), (3480, 74087), (3567, 72280), (3614, 71340), (3770, 68388), (4031, 63960), (4170, 61828), (4264, 60465), (4524, 56990), (4756, 54210), (4920, 52403), (5330, 48372), (5421, 47560), (5560, 46371), (5655, 45592), (5699, 45240), (5945, 43368), (6396, 40310), (7134, 36140), (7228, 35670), (7540, 34194), (7995, 32248), (8062, 31980), (8340, 30914), (9035, 28536), (9048, 28495), (9512, 27105), (10660, 24186), (10842, 23780), (11310, 22796), (11398, 22620), (11890, 21684), (12093, 21320), (12792, 20155), (14268, 18070), (14456, 17835), (15080, 17097), (15457, 16680), (15990, 16124)]