1858164840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{245789}}^1$

素因数の和:245816

約数の個数: 128

約数和(自身を含む): 7078752000

約数和(自身を除く): 5220587160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 245789, 491578, 737367, 983156, 1228945, 1474734, 1720523, 1966312, 2212101, 2457890, 2949468, 3441046, 3686835, 4424202, 4915780, 5161569, 5898936, 6636303, 6882092, 7373670, 8602615, 8848404, 9831560, 10323138, 11060505, 13272606, 13764184, 14747340, 15484707, 17205230, 17696808, 20646276, 22121010, 25807845, 26545212, 29494680, 30969414, 33181515, 34410460, 41292552, 44242020, 46454121, 51615690, 53090424, 61938828, 66363030, 68820920, 77423535, 88484040, 92908242, 103231380, 123877656, 132726060, 154847070, 185816484, 206462760, 232270605, 265452120, 309694140, 371632968, 464541210, 619388280, 929082420, 1858164840]

約数ペア:

[(1, 1858164840), (2, 929082420), (3, 619388280), (4, 464541210), (5, 371632968), (6, 309694140), (7, 265452120), (8, 232270605), (9, 206462760), (10, 185816484), (12, 154847070), (14, 132726060), (15, 123877656), (18, 103231380), (20, 92908242), (21, 88484040), (24, 77423535), (27, 68820920), (28, 66363030), (30, 61938828), (35, 53090424), (36, 51615690), (40, 46454121), (42, 44242020), (45, 41292552), (54, 34410460), (56, 33181515), (60, 30969414), (63, 29494680), (70, 26545212), (72, 25807845), (84, 22121010), (90, 20646276), (105, 17696808), (108, 17205230), (120, 15484707), (126, 14747340), (135, 13764184), (140, 13272606), (168, 11060505), (180, 10323138), (189, 9831560), (210, 8848404), (216, 8602615), (252, 7373670), (270, 6882092), (280, 6636303), (315, 5898936), (360, 5161569), (378, 4915780), (420, 4424202), (504, 3686835), (540, 3441046), (630, 2949468), (756, 2457890), (840, 2212101), (945, 1966312), (1080, 1720523), (1260, 1474734), (1512, 1228945), (1890, 983156), (2520, 737367), (3780, 491578), (7560, 245789)]