18583740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^4\times {\mathrm{43}}^1$

素因数の和:86

約数の個数: 180

約数和(自身を含む): 67291224

約数和(自身を除く): 48707484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 49, 60, 63, 70, 84, 86, 90, 98, 105, 126, 129, 140, 147, 172, 180, 196, 210, 215, 245, 252, 258, 294, 301, 315, 343, 387, 420, 430, 441, 490, 516, 588, 602, 630, 645, 686, 735, 774, 860, 882, 903, 980, 1029, 1204, 1260, 1290, 1372, 1470, 1505, 1548, 1715, 1764, 1806, 1935, 2058, 2107, 2205, 2401, 2580, 2709, 2940, 3010, 3087, 3430, 3612, 3870, 4116, 4214, 4410, 4515, 4802, 5145, 5418, 6020, 6174, 6321, 6860, 7203, 7740, 8428, 8820, 9030, 9604, 10290, 10535, 10836, 12005, 12348, 12642, 13545, 14406, 14749, 15435, 18060, 18963, 20580, 21070, 21609, 24010, 25284, 27090, 28812, 29498, 30870, 31605, 36015, 37926, 42140, 43218, 44247, 48020, 54180, 58996, 61740, 63210, 72030, 73745, 75852, 86436, 88494, 94815, 103243, 108045, 126420, 132741, 144060, 147490, 176988, 189630, 206486, 216090, 221235, 265482, 294980, 309729, 379260, 412972, 432180, 442470, 516215, 530964, 619458, 663705, 884940, 929187, 1032430, 1238916, 1327410, 1548645, 1858374, 2064860, 2654820, 3097290, 3716748, 4645935, 6194580, 9291870, 18583740]

約数ペア:

[(1, 18583740), (2, 9291870), (3, 6194580), (4, 4645935), (5, 3716748), (6, 3097290), (7, 2654820), (9, 2064860), (10, 1858374), (12, 1548645), (14, 1327410), (15, 1238916), (18, 1032430), (20, 929187), (21, 884940), (28, 663705), (30, 619458), (35, 530964), (36, 516215), (42, 442470), (43, 432180), (45, 412972), (49, 379260), (60, 309729), (63, 294980), (70, 265482), (84, 221235), (86, 216090), (90, 206486), (98, 189630), (105, 176988), (126, 147490), (129, 144060), (140, 132741), (147, 126420), (172, 108045), (180, 103243), (196, 94815), (210, 88494), (215, 86436), (245, 75852), (252, 73745), (258, 72030), (294, 63210), (301, 61740), (315, 58996), (343, 54180), (387, 48020), (420, 44247), (430, 43218), (441, 42140), (490, 37926), (516, 36015), (588, 31605), (602, 30870), (630, 29498), (645, 28812), (686, 27090), (735, 25284), (774, 24010), (860, 21609), (882, 21070), (903, 20580), (980, 18963), (1029, 18060), (1204, 15435), (1260, 14749), (1290, 14406), (1372, 13545), (1470, 12642), (1505, 12348), (1548, 12005), (1715, 10836), (1764, 10535), (1806, 10290), (1935, 9604), (2058, 9030), (2107, 8820), (2205, 8428), (2401, 7740), (2580, 7203), (2709, 6860), (2940, 6321), (3010, 6174), (3087, 6020), (3430, 5418), (3612, 5145), (3870, 4802), (4116, 4515), (4214, 4410)]