279996960

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{607}}^1$

素因数の和:687

約数の個数: 144

約数和(自身を含む): 912860928

約数和(自身を除く): 632863968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 240, 248, 310, 372, 465, 480, 496, 607, 620, 744, 930, 961, 992, 1214, 1240, 1488, 1821, 1860, 1922, 2428, 2480, 2883, 2976, 3035, 3642, 3720, 3844, 4805, 4856, 4960, 5766, 6070, 7284, 7440, 7688, 9105, 9610, 9712, 11532, 12140, 14415, 14568, 14880, 15376, 18210, 18817, 19220, 19424, 23064, 24280, 28830, 29136, 30752, 36420, 37634, 38440, 46128, 48560, 56451, 57660, 58272, 72840, 75268, 76880, 92256, 94085, 97120, 112902, 115320, 145680, 150536, 153760, 188170, 225804, 230640, 282255, 291360, 301072, 376340, 451608, 461280, 564510, 583327, 602144, 752680, 903216, 1129020, 1166654, 1505360, 1749981, 1806432, 2258040, 2333308, 2916635, 3010720, 3499962, 4516080, 4666616, 5833270, 6999924, 8749905, 9032160, 9333232, 11666540, 13999848, 17499810, 18666464, 23333080, 27999696, 34999620, 46666160, 55999392, 69999240, 93332320, 139998480, 279996960]

約数ペア:

[(1, 279996960), (2, 139998480), (3, 93332320), (4, 69999240), (5, 55999392), (6, 46666160), (8, 34999620), (10, 27999696), (12, 23333080), (15, 18666464), (16, 17499810), (20, 13999848), (24, 11666540), (30, 9333232), (31, 9032160), (32, 8749905), (40, 6999924), (48, 5833270), (60, 4666616), (62, 4516080), (80, 3499962), (93, 3010720), (96, 2916635), (120, 2333308), (124, 2258040), (155, 1806432), (160, 1749981), (186, 1505360), (240, 1166654), (248, 1129020), (310, 903216), (372, 752680), (465, 602144), (480, 583327), (496, 564510), (607, 461280), (620, 451608), (744, 376340), (930, 301072), (961, 291360), (992, 282255), (1214, 230640), (1240, 225804), (1488, 188170), (1821, 153760), (1860, 150536), (1922, 145680), (2428, 115320), (2480, 112902), (2883, 97120), (2976, 94085), (3035, 92256), (3642, 76880), (3720, 75268), (3844, 72840), (4805, 58272), (4856, 57660), (4960, 56451), (5766, 48560), (6070, 46128), (7284, 38440), (7440, 37634), (7688, 36420), (9105, 30752), (9610, 29136), (9712, 28830), (11532, 24280), (12140, 23064), (14415, 19424), (14568, 19220), (14880, 18817), (15376, 18210)]