127689720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1181}}^1$

素因数の和:1265

約数の個数: 128

約数和(自身を含む): 413605440

約数和(自身を除く): 285915720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 53, 60, 68, 85, 102, 106, 120, 136, 159, 170, 204, 212, 255, 265, 318, 340, 408, 424, 510, 530, 636, 680, 795, 901, 1020, 1060, 1181, 1272, 1590, 1802, 2040, 2120, 2362, 2703, 3180, 3543, 3604, 4505, 4724, 5406, 5905, 6360, 7086, 7208, 9010, 9448, 10812, 11810, 13515, 14172, 17715, 18020, 20077, 21624, 23620, 27030, 28344, 35430, 36040, 40154, 47240, 54060, 60231, 62593, 70860, 80308, 100385, 108120, 120462, 125186, 141720, 160616, 187779, 200770, 240924, 250372, 301155, 312965, 375558, 401540, 481848, 500744, 602310, 625930, 751116, 803080, 938895, 1064081, 1204620, 1251860, 1502232, 1877790, 2128162, 2409240, 2503720, 3192243, 3755580, 4256324, 5320405, 6384486, 7511160, 8512648, 10640810, 12768972, 15961215, 21281620, 25537944, 31922430, 42563240, 63844860, 127689720]

約数ペア:

[(1, 127689720), (2, 63844860), (3, 42563240), (4, 31922430), (5, 25537944), (6, 21281620), (8, 15961215), (10, 12768972), (12, 10640810), (15, 8512648), (17, 7511160), (20, 6384486), (24, 5320405), (30, 4256324), (34, 3755580), (40, 3192243), (51, 2503720), (53, 2409240), (60, 2128162), (68, 1877790), (85, 1502232), (102, 1251860), (106, 1204620), (120, 1064081), (136, 938895), (159, 803080), (170, 751116), (204, 625930), (212, 602310), (255, 500744), (265, 481848), (318, 401540), (340, 375558), (408, 312965), (424, 301155), (510, 250372), (530, 240924), (636, 200770), (680, 187779), (795, 160616), (901, 141720), (1020, 125186), (1060, 120462), (1181, 108120), (1272, 100385), (1590, 80308), (1802, 70860), (2040, 62593), (2120, 60231), (2362, 54060), (2703, 47240), (3180, 40154), (3543, 36040), (3604, 35430), (4505, 28344), (4724, 27030), (5406, 23620), (5905, 21624), (6360, 20077), (7086, 18020), (7208, 17715), (9010, 14172), (9448, 13515), (10812, 11810)]