12500040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:691

約数の個数: 128

約数和(自身を含む): 44789760

約数和(自身を除く): 32289720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 647, 690, 805, 840, 920, 966, 1288, 1294, 1380, 1610, 1932, 1941, 2415, 2588, 2760, 3220, 3235, 3864, 3882, 4529, 4830, 5176, 6440, 6470, 7764, 9058, 9660, 9705, 12940, 13587, 14881, 15528, 18116, 19320, 19410, 22645, 25880, 27174, 29762, 36232, 38820, 44643, 45290, 54348, 59524, 67935, 74405, 77640, 89286, 90580, 104167, 108696, 119048, 135870, 148810, 178572, 181160, 208334, 223215, 271740, 297620, 312501, 357144, 416668, 446430, 520835, 543480, 595240, 625002, 833336, 892860, 1041670, 1250004, 1562505, 1785720, 2083340, 2500008, 3125010, 4166680, 6250020, 12500040]

約数ペア:

[(1, 12500040), (2, 6250020), (3, 4166680), (4, 3125010), (5, 2500008), (6, 2083340), (7, 1785720), (8, 1562505), (10, 1250004), (12, 1041670), (14, 892860), (15, 833336), (20, 625002), (21, 595240), (23, 543480), (24, 520835), (28, 446430), (30, 416668), (35, 357144), (40, 312501), (42, 297620), (46, 271740), (56, 223215), (60, 208334), (69, 181160), (70, 178572), (84, 148810), (92, 135870), (105, 119048), (115, 108696), (120, 104167), (138, 90580), (140, 89286), (161, 77640), (168, 74405), (184, 67935), (210, 59524), (230, 54348), (276, 45290), (280, 44643), (322, 38820), (345, 36232), (420, 29762), (460, 27174), (483, 25880), (552, 22645), (644, 19410), (647, 19320), (690, 18116), (805, 15528), (840, 14881), (920, 13587), (966, 12940), (1288, 9705), (1294, 9660), (1380, 9058), (1610, 7764), (1932, 6470), (1941, 6440), (2415, 5176), (2588, 4830), (2760, 4529), (3220, 3882), (3235, 3864)]