123188520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 256

約数和(自身を含む): 471744000

約数和(自身を除く): 348555480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 29, 30, 35, 39, 40, 42, 52, 56, 58, 60, 65, 70, 78, 84, 87, 91, 104, 105, 116, 120, 130, 140, 145, 156, 168, 174, 182, 195, 203, 210, 232, 260, 273, 280, 290, 312, 348, 364, 377, 389, 390, 406, 420, 435, 455, 520, 546, 580, 609, 696, 728, 754, 778, 780, 812, 840, 870, 910, 1015, 1092, 1131, 1160, 1167, 1218, 1365, 1508, 1556, 1560, 1624, 1740, 1820, 1885, 1945, 2030, 2184, 2262, 2334, 2436, 2639, 2723, 2730, 3016, 3045, 3112, 3480, 3640, 3770, 3890, 4060, 4524, 4668, 4872, 5057, 5278, 5446, 5460, 5655, 5835, 6090, 7540, 7780, 7917, 8120, 8169, 9048, 9336, 10114, 10556, 10892, 10920, 11281, 11310, 11670, 12180, 13195, 13615, 15080, 15171, 15560, 15834, 16338, 20228, 21112, 21784, 22562, 22620, 23340, 24360, 25285, 26390, 27230, 30342, 31668, 32676, 33843, 35399, 39585, 40456, 40845, 45124, 45240, 46680, 50570, 52780, 54460, 56405, 60684, 63336, 65352, 67686, 70798, 75855, 78967, 79170, 81690, 90248, 101140, 105560, 106197, 108920, 112810, 121368, 135372, 141596, 146653, 151710, 157934, 158340, 163380, 169215, 176995, 202280, 212394, 225620, 236901, 270744, 283192, 293306, 303420, 315868, 316680, 326760, 338430, 353990, 394835, 424788, 439959, 451240, 473802, 530985, 586612, 606840, 631736, 676860, 707980, 733265, 789670, 849576, 879918, 947604, 1026571, 1061970, 1173224, 1184505, 1353720, 1415960, 1466530, 1579340, 1759836, 1895208, 2053142, 2123940, 2199795, 2369010, 2933060, 3079713, 3158680, 3519672, 4106284, 4247880, 4399590, 4738020, 5132855, 5866120, 6159426, 8212568, 8799180, 9476040, 10265710, 12318852, 15398565, 17598360, 20531420, 24637704, 30797130, 41062840, 61594260, 123188520]

約数ペア:

[(1, 123188520), (2, 61594260), (3, 41062840), (4, 30797130), (5, 24637704), (6, 20531420), (7, 17598360), (8, 15398565), (10, 12318852), (12, 10265710), (13, 9476040), (14, 8799180), (15, 8212568), (20, 6159426), (21, 5866120), (24, 5132855), (26, 4738020), (28, 4399590), (29, 4247880), (30, 4106284), (35, 3519672), (39, 3158680), (40, 3079713), (42, 2933060), (52, 2369010), (56, 2199795), (58, 2123940), (60, 2053142), (65, 1895208), (70, 1759836), (78, 1579340), (84, 1466530), (87, 1415960), (91, 1353720), (104, 1184505), (105, 1173224), (116, 1061970), (120, 1026571), (130, 947604), (140, 879918), (145, 849576), (156, 789670), (168, 733265), (174, 707980), (182, 676860), (195, 631736), (203, 606840), (210, 586612), (232, 530985), (260, 473802), (273, 451240), (280, 439959), (290, 424788), (312, 394835), (348, 353990), (364, 338430), (377, 326760), (389, 316680), (390, 315868), (406, 303420), (420, 293306), (435, 283192), (455, 270744), (520, 236901), (546, 225620), (580, 212394), (609, 202280), (696, 176995), (728, 169215), (754, 163380), (778, 158340), (780, 157934), (812, 151710), (840, 146653), (870, 141596), (910, 135372), (1015, 121368), (1092, 112810), (1131, 108920), (1160, 106197), (1167, 105560), (1218, 101140), (1365, 90248), (1508, 81690), (1556, 79170), (1560, 78967), (1624, 75855), (1740, 70798), (1820, 67686), (1885, 65352), (1945, 63336), (2030, 60684), (2184, 56405), (2262, 54460), (2334, 52780), (2436, 50570), (2639, 46680), (2723, 45240), (2730, 45124), (3016, 40845), (3045, 40456), (3112, 39585), (3480, 35399), (3640, 33843), (3770, 32676), (3890, 31668), (4060, 30342), (4524, 27230), (4668, 26390), (4872, 25285), (5057, 24360), (5278, 23340), (5446, 22620), (5460, 22562), (5655, 21784), (5835, 21112), (6090, 20228), (7540, 16338), (7780, 15834), (7917, 15560), (8120, 15171), (8169, 15080), (9048, 13615), (9336, 13195), (10114, 12180), (10556, 11670), (10892, 11310), (10920, 11281)]