78506880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1372

約数の個数: 128

約数和(自身を含む): 258508800

約数和(自身を除く): 180001920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1319, 1488, 1860, 1920, 1984, 2480, 2638, 2976, 3720, 3957, 3968, 4960, 5276, 5952, 6595, 7440, 7914, 9920, 10552, 11904, 13190, 14880, 15828, 19785, 19840, 21104, 26380, 29760, 31656, 39570, 40889, 42208, 52760, 59520, 63312, 79140, 81778, 84416, 105520, 122667, 126624, 158280, 163556, 168832, 204445, 211040, 245334, 253248, 316560, 327112, 408890, 422080, 490668, 506496, 613335, 633120, 654224, 817780, 844160, 981336, 1226670, 1266240, 1308448, 1635560, 1962672, 2453340, 2532480, 2616896, 3271120, 3925344, 4906680, 5233792, 6542240, 7850688, 9813360, 13084480, 15701376, 19626720, 26168960, 39253440, 78506880]

約数ペア:

[(1, 78506880), (2, 39253440), (3, 26168960), (4, 19626720), (5, 15701376), (6, 13084480), (8, 9813360), (10, 7850688), (12, 6542240), (15, 5233792), (16, 4906680), (20, 3925344), (24, 3271120), (30, 2616896), (31, 2532480), (32, 2453340), (40, 1962672), (48, 1635560), (60, 1308448), (62, 1266240), (64, 1226670), (80, 981336), (93, 844160), (96, 817780), (120, 654224), (124, 633120), (128, 613335), (155, 506496), (160, 490668), (186, 422080), (192, 408890), (240, 327112), (248, 316560), (310, 253248), (320, 245334), (372, 211040), (384, 204445), (465, 168832), (480, 163556), (496, 158280), (620, 126624), (640, 122667), (744, 105520), (930, 84416), (960, 81778), (992, 79140), (1240, 63312), (1319, 59520), (1488, 52760), (1860, 42208), (1920, 40889), (1984, 39570), (2480, 31656), (2638, 29760), (2976, 26380), (3720, 21104), (3957, 19840), (3968, 19785), (4960, 15828), (5276, 14880), (5952, 13190), (6595, 11904), (7440, 10552), (7914, 9920)]