16681140

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{1471}}^1$

素因数の和:1499

約数の個数: 120

約数和(自身を含む): 59845632

約数和(自身を除く): 43164492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1471, 1620, 1890, 2268, 2835, 2942, 3780, 4413, 5670, 5884, 7355, 8826, 10297, 11340, 13239, 14710, 17652, 20594, 22065, 26478, 29420, 30891, 39717, 41188, 44130, 51485, 52956, 61782, 66195, 79434, 88260, 92673, 102970, 119151, 123564, 132390, 154455, 158868, 185346, 198585, 205940, 238302, 264780, 278019, 308910, 370692, 397170, 463365, 476604, 556038, 595755, 617820, 794340, 834057, 926730, 1112076, 1191510, 1390095, 1668114, 1853460, 2383020, 2780190, 3336228, 4170285, 5560380, 8340570, 16681140]

約数ペア:

[(1, 16681140), (2, 8340570), (3, 5560380), (4, 4170285), (5, 3336228), (6, 2780190), (7, 2383020), (9, 1853460), (10, 1668114), (12, 1390095), (14, 1191510), (15, 1112076), (18, 926730), (20, 834057), (21, 794340), (27, 617820), (28, 595755), (30, 556038), (35, 476604), (36, 463365), (42, 397170), (45, 370692), (54, 308910), (60, 278019), (63, 264780), (70, 238302), (81, 205940), (84, 198585), (90, 185346), (105, 158868), (108, 154455), (126, 132390), (135, 123564), (140, 119151), (162, 102970), (180, 92673), (189, 88260), (210, 79434), (252, 66195), (270, 61782), (315, 52956), (324, 51485), (378, 44130), (405, 41188), (420, 39717), (540, 30891), (567, 29420), (630, 26478), (756, 22065), (810, 20594), (945, 17652), (1134, 14710), (1260, 13239), (1471, 11340), (1620, 10297), (1890, 8826), (2268, 7355), (2835, 5884), (2942, 5670), (3780, 4413)]