18750060

素因数分解:

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

素因数の和:692

約数の個数: 144

約数和(自身を含む): 67931136

約数和(自身を除く): 49181076

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 647, 690, 805, 828, 966, 1035, 1260, 1294, 1380, 1449, 1610, 1932, 1941, 2070, 2415, 2588, 2898, 3220, 3235, 3882, 4140, 4529, 4830, 5796, 5823, 6470, 7245, 7764, 9058, 9660, 9705, 11646, 12940, 13587, 14490, 14881, 18116, 19410, 22645, 23292, 27174, 28980, 29115, 29762, 38820, 40761, 44643, 45290, 54348, 58230, 59524, 67935, 74405, 81522, 89286, 90580, 104167, 116460, 133929, 135870, 148810, 163044, 178572, 203805, 208334, 223215, 267858, 271740, 297620, 312501, 407610, 416668, 446430, 520835, 535716, 625002, 669645, 815220, 892860, 937503, 1041670, 1250004, 1339290, 1562505, 1875006, 2083340, 2678580, 3125010, 3750012, 4687515, 6250020, 9375030, 18750060]

約数ペア:

[(1, 18750060), (2, 9375030), (3, 6250020), (4, 4687515), (5, 3750012), (6, 3125010), (7, 2678580), (9, 2083340), (10, 1875006), (12, 1562505), (14, 1339290), (15, 1250004), (18, 1041670), (20, 937503), (21, 892860), (23, 815220), (28, 669645), (30, 625002), (35, 535716), (36, 520835), (42, 446430), (45, 416668), (46, 407610), (60, 312501), (63, 297620), (69, 271740), (70, 267858), (84, 223215), (90, 208334), (92, 203805), (105, 178572), (115, 163044), (126, 148810), (138, 135870), (140, 133929), (161, 116460), (180, 104167), (207, 90580), (210, 89286), (230, 81522), (252, 74405), (276, 67935), (315, 59524), (322, 58230), (345, 54348), (414, 45290), (420, 44643), (460, 40761), (483, 38820), (630, 29762), (644, 29115), (647, 28980), (690, 27174), (805, 23292), (828, 22645), (966, 19410), (1035, 18116), (1260, 14881), (1294, 14490), (1380, 13587), (1449, 12940), (1610, 11646), (1932, 9705), (1941, 9660), (2070, 9058), (2415, 7764), (2588, 7245), (2898, 6470), (3220, 5823), (3235, 5796), (3882, 4830), (4140, 4529)]