68979960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:938

約数の個数: 192

約数和(自身を含む): 264775680

約数和(自身を除く): 195795720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 883, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1766, 1860, 1953, 2170, 2232, 2520, 2604, 2649, 2790, 3255, 3532, 3720, 3906, 4340, 4415, 5208, 5298, 5580, 6181, 6510, 7064, 7812, 7947, 8680, 8830, 9765, 10596, 11160, 12362, 13020, 13245, 15624, 15894, 17660, 18543, 19530, 21192, 24724, 26040, 26490, 27373, 30905, 31788, 35320, 37086, 39060, 39735, 49448, 52980, 54746, 55629, 61810, 63576, 74172, 78120, 79470, 82119, 92715, 105960, 109492, 111258, 123620, 136865, 148344, 158940, 164238, 185430, 191611, 218984, 222516, 246357, 247240, 273730, 278145, 317880, 328476, 370860, 383222, 410595, 445032, 492714, 547460, 556290, 574833, 656952, 741720, 766444, 821190, 958055, 985428, 1094920, 1112580, 1149666, 1231785, 1532888, 1642380, 1724499, 1916110, 1970856, 2225160, 2299332, 2463570, 2874165, 3284760, 3448998, 3832220, 4598664, 4927140, 5748330, 6897996, 7664440, 8622495, 9854280, 11496660, 13795992, 17244990, 22993320, 34489980, 68979960]

約数ペア:

[(1, 68979960), (2, 34489980), (3, 22993320), (4, 17244990), (5, 13795992), (6, 11496660), (7, 9854280), (8, 8622495), (9, 7664440), (10, 6897996), (12, 5748330), (14, 4927140), (15, 4598664), (18, 3832220), (20, 3448998), (21, 3284760), (24, 2874165), (28, 2463570), (30, 2299332), (31, 2225160), (35, 1970856), (36, 1916110), (40, 1724499), (42, 1642380), (45, 1532888), (56, 1231785), (60, 1149666), (62, 1112580), (63, 1094920), (70, 985428), (72, 958055), (84, 821190), (90, 766444), (93, 741720), (105, 656952), (120, 574833), (124, 556290), (126, 547460), (140, 492714), (155, 445032), (168, 410595), (180, 383222), (186, 370860), (210, 328476), (217, 317880), (248, 278145), (252, 273730), (279, 247240), (280, 246357), (310, 222516), (315, 218984), (360, 191611), (372, 185430), (420, 164238), (434, 158940), (465, 148344), (504, 136865), (558, 123620), (620, 111258), (630, 109492), (651, 105960), (744, 92715), (840, 82119), (868, 79470), (883, 78120), (930, 74172), (1085, 63576), (1116, 61810), (1240, 55629), (1260, 54746), (1302, 52980), (1395, 49448), (1736, 39735), (1766, 39060), (1860, 37086), (1953, 35320), (2170, 31788), (2232, 30905), (2520, 27373), (2604, 26490), (2649, 26040), (2790, 24724), (3255, 21192), (3532, 19530), (3720, 18543), (3906, 17660), (4340, 15894), (4415, 15624), (5208, 13245), (5298, 13020), (5580, 12362), (6181, 11160), (6510, 10596), (7064, 9765), (7812, 8830), (7947, 8680)]