127901840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 120

約数和(自身を含む): 333171384

約数和(自身を除く): 205269544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 121, 146, 176, 181, 220, 242, 292, 362, 365, 440, 484, 584, 605, 724, 730, 803, 880, 905, 968, 1168, 1210, 1448, 1460, 1606, 1810, 1936, 1991, 2420, 2896, 2920, 3212, 3620, 3982, 4015, 4840, 5840, 6424, 7240, 7964, 8030, 8833, 9680, 9955, 12848, 13213, 14480, 15928, 16060, 17666, 19910, 21901, 26426, 31856, 32120, 35332, 39820, 43802, 44165, 52852, 64240, 66065, 70664, 79640, 87604, 88330, 105704, 109505, 132130, 141328, 145343, 159280, 175208, 176660, 211408, 219010, 264260, 290686, 350416, 353320, 438020, 528520, 581372, 706640, 726715, 876040, 1057040, 1162744, 1453430, 1598773, 1752080, 2325488, 2906860, 3197546, 5813720, 6395092, 7993865, 11627440, 12790184, 15987730, 25580368, 31975460, 63950920, 127901840]

約数ペア:

[(1, 127901840), (2, 63950920), (4, 31975460), (5, 25580368), (8, 15987730), (10, 12790184), (11, 11627440), (16, 7993865), (20, 6395092), (22, 5813720), (40, 3197546), (44, 2906860), (55, 2325488), (73, 1752080), (80, 1598773), (88, 1453430), (110, 1162744), (121, 1057040), (146, 876040), (176, 726715), (181, 706640), (220, 581372), (242, 528520), (292, 438020), (362, 353320), (365, 350416), (440, 290686), (484, 264260), (584, 219010), (605, 211408), (724, 176660), (730, 175208), (803, 159280), (880, 145343), (905, 141328), (968, 132130), (1168, 109505), (1210, 105704), (1448, 88330), (1460, 87604), (1606, 79640), (1810, 70664), (1936, 66065), (1991, 64240), (2420, 52852), (2896, 44165), (2920, 43802), (3212, 39820), (3620, 35332), (3982, 32120), (4015, 31856), (4840, 26426), (5840, 21901), (6424, 19910), (7240, 17666), (7964, 16060), (8030, 15928), (8833, 14480), (9680, 13213), (9955, 12848)]