164877720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{593}}^1$

素因数の和:945

約数の個数: 128

約数和(自身を含む): 567959040

約数和(自身を除く): 403081320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 331, 420, 593, 662, 840, 993, 1186, 1324, 1655, 1779, 1986, 2317, 2372, 2648, 2965, 3310, 3558, 3972, 4151, 4634, 4744, 4965, 5930, 6620, 6951, 7116, 7944, 8302, 8895, 9268, 9930, 11585, 11860, 12453, 13240, 13902, 14232, 16604, 17790, 18536, 19860, 20755, 23170, 23720, 24906, 27804, 33208, 34755, 35580, 39720, 41510, 46340, 49812, 55608, 62265, 69510, 71160, 83020, 92680, 99624, 124530, 139020, 166040, 196283, 249060, 278040, 392566, 498120, 588849, 785132, 981415, 1177698, 1373981, 1570264, 1962830, 2355396, 2747962, 2944245, 3925660, 4121943, 4710792, 5495924, 5888490, 6869905, 7851320, 8243886, 10991848, 11776980, 13739810, 16487772, 20609715, 23553960, 27479620, 32975544, 41219430, 54959240, 82438860, 164877720]

約数ペア:

[(1, 164877720), (2, 82438860), (3, 54959240), (4, 41219430), (5, 32975544), (6, 27479620), (7, 23553960), (8, 20609715), (10, 16487772), (12, 13739810), (14, 11776980), (15, 10991848), (20, 8243886), (21, 7851320), (24, 6869905), (28, 5888490), (30, 5495924), (35, 4710792), (40, 4121943), (42, 3925660), (56, 2944245), (60, 2747962), (70, 2355396), (84, 1962830), (105, 1570264), (120, 1373981), (140, 1177698), (168, 981415), (210, 785132), (280, 588849), (331, 498120), (420, 392566), (593, 278040), (662, 249060), (840, 196283), (993, 166040), (1186, 139020), (1324, 124530), (1655, 99624), (1779, 92680), (1986, 83020), (2317, 71160), (2372, 69510), (2648, 62265), (2965, 55608), (3310, 49812), (3558, 46340), (3972, 41510), (4151, 39720), (4634, 35580), (4744, 34755), (4965, 33208), (5930, 27804), (6620, 24906), (6951, 23720), (7116, 23170), (7944, 20755), (8302, 19860), (8895, 18536), (9268, 17790), (9930, 16604), (11585, 14232), (11860, 13902), (12453, 13240)]