189639240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3701}}^1$

素因数の和:3783

約数の個数: 128

約数和(自身を含む): 661029120

約数和(自身を除く): 471389880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1708, 1830, 2135, 2440, 2562, 3416, 3660, 3701, 4270, 5124, 6405, 7320, 7402, 8540, 10248, 11103, 12810, 14804, 17080, 18505, 22206, 25620, 25907, 29608, 37010, 44412, 51240, 51814, 55515, 74020, 77721, 88824, 103628, 111030, 129535, 148040, 155442, 207256, 222060, 225761, 259070, 310884, 388605, 444120, 451522, 518140, 621768, 677283, 777210, 903044, 1036280, 1128805, 1354566, 1554420, 1580327, 1806088, 2257610, 2709132, 3108840, 3160654, 3386415, 4515220, 4740981, 5418264, 6321308, 6772830, 7901635, 9030440, 9481962, 12642616, 13545660, 15803270, 18963924, 23704905, 27091320, 31606540, 37927848, 47409810, 63213080, 94819620, 189639240]

約数ペア:

[(1, 189639240), (2, 94819620), (3, 63213080), (4, 47409810), (5, 37927848), (6, 31606540), (7, 27091320), (8, 23704905), (10, 18963924), (12, 15803270), (14, 13545660), (15, 12642616), (20, 9481962), (21, 9030440), (24, 7901635), (28, 6772830), (30, 6321308), (35, 5418264), (40, 4740981), (42, 4515220), (56, 3386415), (60, 3160654), (61, 3108840), (70, 2709132), (84, 2257610), (105, 1806088), (120, 1580327), (122, 1554420), (140, 1354566), (168, 1128805), (183, 1036280), (210, 903044), (244, 777210), (280, 677283), (305, 621768), (366, 518140), (420, 451522), (427, 444120), (488, 388605), (610, 310884), (732, 259070), (840, 225761), (854, 222060), (915, 207256), (1220, 155442), (1281, 148040), (1464, 129535), (1708, 111030), (1830, 103628), (2135, 88824), (2440, 77721), (2562, 74020), (3416, 55515), (3660, 51814), (3701, 51240), (4270, 44412), (5124, 37010), (6405, 29608), (7320, 25907), (7402, 25620), (8540, 22206), (10248, 18505), (11103, 17080), (12810, 14804)]