129128520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 402739200

約数和(自身を除く): 273610680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 127, 148, 185, 222, 229, 254, 296, 370, 381, 444, 458, 508, 555, 635, 687, 740, 762, 888, 916, 1016, 1110, 1145, 1270, 1374, 1480, 1524, 1832, 1905, 2220, 2290, 2540, 2748, 3048, 3435, 3810, 4440, 4580, 4699, 5080, 5496, 6870, 7620, 8473, 9160, 9398, 13740, 14097, 15240, 16946, 18796, 23495, 25419, 27480, 28194, 29083, 33892, 37592, 42365, 46990, 50838, 56388, 58166, 67784, 70485, 84730, 87249, 93980, 101676, 112776, 116332, 127095, 140970, 145415, 169460, 174498, 187960, 203352, 232664, 254190, 281940, 290830, 338920, 348996, 436245, 508380, 563880, 581660, 697992, 872490, 1016760, 1076071, 1163320, 1744980, 2152142, 3228213, 3489960, 4304284, 5380355, 6456426, 8608568, 10760710, 12912852, 16141065, 21521420, 25825704, 32282130, 43042840, 64564260, 129128520]

約数ペア:

[(1, 129128520), (2, 64564260), (3, 43042840), (4, 32282130), (5, 25825704), (6, 21521420), (8, 16141065), (10, 12912852), (12, 10760710), (15, 8608568), (20, 6456426), (24, 5380355), (30, 4304284), (37, 3489960), (40, 3228213), (60, 2152142), (74, 1744980), (111, 1163320), (120, 1076071), (127, 1016760), (148, 872490), (185, 697992), (222, 581660), (229, 563880), (254, 508380), (296, 436245), (370, 348996), (381, 338920), (444, 290830), (458, 281940), (508, 254190), (555, 232664), (635, 203352), (687, 187960), (740, 174498), (762, 169460), (888, 145415), (916, 140970), (1016, 127095), (1110, 116332), (1145, 112776), (1270, 101676), (1374, 93980), (1480, 87249), (1524, 84730), (1832, 70485), (1905, 67784), (2220, 58166), (2290, 56388), (2540, 50838), (2748, 46990), (3048, 42365), (3435, 37592), (3810, 33892), (4440, 29083), (4580, 28194), (4699, 27480), (5080, 25419), (5496, 23495), (6870, 18796), (7620, 16946), (8473, 15240), (9160, 14097), (9398, 13740)]