181811280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3491}}^1$

素因数の和:3545

約数の個数: 160

約数和(自身を含む): 665100288

約数和(自身を除く): 483289008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3491, 3720, 4340, 5208, 6510, 6982, 7440, 8680, 10416, 10473, 13020, 13964, 17360, 17455, 20946, 24437, 26040, 27928, 34910, 41892, 48874, 52080, 52365, 55856, 69820, 73311, 83784, 97748, 104730, 108221, 122185, 139640, 146622, 167568, 195496, 209460, 216442, 244370, 279280, 293244, 324663, 366555, 390992, 418920, 432884, 488740, 541105, 586488, 649326, 733110, 757547, 837840, 865768, 977480, 1082210, 1172976, 1298652, 1466220, 1515094, 1623315, 1731536, 1954960, 2164420, 2272641, 2597304, 2932440, 3030188, 3246630, 3787735, 4328840, 4545282, 5194608, 5864880, 6060376, 6493260, 7575470, 8657680, 9090564, 11363205, 12120752, 12986520, 15150940, 18181128, 22726410, 25973040, 30301880, 36362256, 45452820, 60603760, 90905640, 181811280]

約数ペア:

[(1, 181811280), (2, 90905640), (3, 60603760), (4, 45452820), (5, 36362256), (6, 30301880), (7, 25973040), (8, 22726410), (10, 18181128), (12, 15150940), (14, 12986520), (15, 12120752), (16, 11363205), (20, 9090564), (21, 8657680), (24, 7575470), (28, 6493260), (30, 6060376), (31, 5864880), (35, 5194608), (40, 4545282), (42, 4328840), (48, 3787735), (56, 3246630), (60, 3030188), (62, 2932440), (70, 2597304), (80, 2272641), (84, 2164420), (93, 1954960), (105, 1731536), (112, 1623315), (120, 1515094), (124, 1466220), (140, 1298652), (155, 1172976), (168, 1082210), (186, 977480), (210, 865768), (217, 837840), (240, 757547), (248, 733110), (280, 649326), (310, 586488), (336, 541105), (372, 488740), (420, 432884), (434, 418920), (465, 390992), (496, 366555), (560, 324663), (620, 293244), (651, 279280), (744, 244370), (840, 216442), (868, 209460), (930, 195496), (1085, 167568), (1240, 146622), (1302, 139640), (1488, 122185), (1680, 108221), (1736, 104730), (1860, 97748), (2170, 83784), (2480, 73311), (2604, 69820), (3255, 55856), (3472, 52365), (3491, 52080), (3720, 48874), (4340, 41892), (5208, 34910), (6510, 27928), (6982, 26040), (7440, 24437), (8680, 20946), (10416, 17455), (10473, 17360), (13020, 13964)]