155808240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13249}}^1$

素因数の和:13279

約数の個数: 120

約数和(自身を含む): 561906000

約数和(自身を除く): 406097760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 13249, 26498, 39747, 52996, 66245, 79494, 92743, 105992, 132490, 158988, 185486, 198735, 211984, 264980, 278229, 317976, 370972, 397470, 463715, 529960, 556458, 635952, 649201, 741944, 794940, 927430, 1059920, 1112916, 1298402, 1391145, 1483888, 1589880, 1854860, 1947603, 2225832, 2596804, 2782290, 3179760, 3246005, 3709720, 3895206, 4451664, 5193608, 5564580, 6492010, 7419440, 7790412, 9738015, 10387216, 11129160, 12984020, 15580824, 19476030, 22258320, 25968040, 31161648, 38952060, 51936080, 77904120, 155808240]

約数ペア:

[(1, 155808240), (2, 77904120), (3, 51936080), (4, 38952060), (5, 31161648), (6, 25968040), (7, 22258320), (8, 19476030), (10, 15580824), (12, 12984020), (14, 11129160), (15, 10387216), (16, 9738015), (20, 7790412), (21, 7419440), (24, 6492010), (28, 5564580), (30, 5193608), (35, 4451664), (40, 3895206), (42, 3709720), (48, 3246005), (49, 3179760), (56, 2782290), (60, 2596804), (70, 2225832), (80, 1947603), (84, 1854860), (98, 1589880), (105, 1483888), (112, 1391145), (120, 1298402), (140, 1112916), (147, 1059920), (168, 927430), (196, 794940), (210, 741944), (240, 649201), (245, 635952), (280, 556458), (294, 529960), (336, 463715), (392, 397470), (420, 370972), (490, 317976), (560, 278229), (588, 264980), (735, 211984), (784, 198735), (840, 185486), (980, 158988), (1176, 132490), (1470, 105992), (1680, 92743), (1960, 79494), (2352, 66245), (2940, 52996), (3920, 39747), (5880, 26498), (11760, 13249)]