247180920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 256

約数和(自身を含む): 895104000

約数和(自身を除く): 647923080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 73, 84, 87, 105, 116, 120, 139, 140, 145, 146, 168, 174, 203, 210, 219, 232, 278, 280, 290, 292, 348, 365, 406, 417, 420, 435, 438, 511, 556, 580, 584, 609, 695, 696, 730, 812, 834, 840, 870, 876, 973, 1015, 1022, 1095, 1112, 1160, 1218, 1390, 1460, 1533, 1624, 1668, 1740, 1752, 1946, 2030, 2044, 2085, 2117, 2190, 2436, 2555, 2780, 2919, 2920, 3045, 3066, 3336, 3480, 3892, 4031, 4060, 4088, 4170, 4234, 4380, 4865, 4872, 5110, 5560, 5838, 6090, 6132, 6351, 7665, 7784, 8062, 8120, 8340, 8468, 8760, 9730, 10147, 10220, 10585, 11676, 12093, 12180, 12264, 12702, 14595, 14819, 15330, 16124, 16680, 16936, 19460, 20155, 20294, 20440, 21170, 23352, 24186, 24360, 25404, 28217, 29190, 29638, 30441, 30660, 31755, 32248, 38920, 40310, 40588, 42340, 44457, 48372, 50735, 50808, 56434, 58380, 59276, 60465, 60882, 61320, 63510, 71029, 74095, 80620, 81176, 84651, 84680, 88914, 96744, 101470, 112868, 116760, 118552, 120930, 121764, 127020, 141085, 142058, 148190, 152205, 161240, 169302, 177828, 202940, 213087, 222285, 225736, 241860, 243528, 254040, 282170, 284116, 294263, 296380, 304410, 338604, 355145, 355656, 405880, 423255, 426174, 444570, 483720, 564340, 568232, 588526, 592760, 608820, 677208, 710290, 846510, 852348, 882789, 889140, 1065435, 1128680, 1177052, 1217640, 1420580, 1471315, 1693020, 1704696, 1765578, 1778280, 2059841, 2130870, 2354104, 2841160, 2942630, 3386040, 3531156, 4119682, 4261740, 4413945, 5885260, 6179523, 7062312, 8239364, 8523480, 8827890, 10299205, 11770520, 12359046, 16478728, 17655780, 20598410, 24718092, 30897615, 35311560, 41196820, 49436184, 61795230, 82393640, 123590460, 247180920]

約数ペア:

[(1, 247180920), (2, 123590460), (3, 82393640), (4, 61795230), (5, 49436184), (6, 41196820), (7, 35311560), (8, 30897615), (10, 24718092), (12, 20598410), (14, 17655780), (15, 16478728), (20, 12359046), (21, 11770520), (24, 10299205), (28, 8827890), (29, 8523480), (30, 8239364), (35, 7062312), (40, 6179523), (42, 5885260), (56, 4413945), (58, 4261740), (60, 4119682), (70, 3531156), (73, 3386040), (84, 2942630), (87, 2841160), (105, 2354104), (116, 2130870), (120, 2059841), (139, 1778280), (140, 1765578), (145, 1704696), (146, 1693020), (168, 1471315), (174, 1420580), (203, 1217640), (210, 1177052), (219, 1128680), (232, 1065435), (278, 889140), (280, 882789), (290, 852348), (292, 846510), (348, 710290), (365, 677208), (406, 608820), (417, 592760), (420, 588526), (435, 568232), (438, 564340), (511, 483720), (556, 444570), (580, 426174), (584, 423255), (609, 405880), (695, 355656), (696, 355145), (730, 338604), (812, 304410), (834, 296380), (840, 294263), (870, 284116), (876, 282170), (973, 254040), (1015, 243528), (1022, 241860), (1095, 225736), (1112, 222285), (1160, 213087), (1218, 202940), (1390, 177828), (1460, 169302), (1533, 161240), (1624, 152205), (1668, 148190), (1740, 142058), (1752, 141085), (1946, 127020), (2030, 121764), (2044, 120930), (2085, 118552), (2117, 116760), (2190, 112868), (2436, 101470), (2555, 96744), (2780, 88914), (2919, 84680), (2920, 84651), (3045, 81176), (3066, 80620), (3336, 74095), (3480, 71029), (3892, 63510), (4031, 61320), (4060, 60882), (4088, 60465), (4170, 59276), (4234, 58380), (4380, 56434), (4865, 50808), (4872, 50735), (5110, 48372), (5560, 44457), (5838, 42340), (6090, 40588), (6132, 40310), (6351, 38920), (7665, 32248), (7784, 31755), (8062, 30660), (8120, 30441), (8340, 29638), (8468, 29190), (8760, 28217), (9730, 25404), (10147, 24360), (10220, 24186), (10585, 23352), (11676, 21170), (12093, 20440), (12180, 20294), (12264, 20155), (12702, 19460), (14595, 16936), (14819, 16680), (15330, 16124)]