820766880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{587}}^1\times {\mathrm{971}}^1$

素因数の和:1579

約数の個数: 144

約数和(自身を含む): 2808527904

約数和(自身を除く): 1987761024

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 587, 720, 971, 1174, 1440, 1761, 1942, 2348, 2913, 2935, 3522, 3884, 4696, 4855, 5283, 5826, 5870, 7044, 7768, 8739, 8805, 9392, 9710, 10566, 11652, 11740, 14088, 14565, 15536, 17478, 17610, 18784, 19420, 21132, 23304, 23480, 26415, 28176, 29130, 31072, 34956, 35220, 38840, 42264, 43695, 46608, 46960, 52830, 56352, 58260, 69912, 70440, 77680, 84528, 87390, 93216, 93920, 105660, 116520, 139824, 140880, 155360, 169056, 174780, 211320, 233040, 279648, 281760, 349560, 422640, 466080, 569977, 699120, 845280, 1139954, 1398240, 1709931, 2279908, 2849885, 3419862, 4559816, 5129793, 5699770, 6839724, 8549655, 9119632, 10259586, 11399540, 13679448, 17099310, 18239264, 20519172, 22799080, 25648965, 27358896, 34198620, 41038344, 45598160, 51297930, 54717792, 68397240, 82076688, 91196320, 102595860, 136794480, 164153376, 205191720, 273588960, 410383440, 820766880]

約数ペア:

[(1, 820766880), (2, 410383440), (3, 273588960), (4, 205191720), (5, 164153376), (6, 136794480), (8, 102595860), (9, 91196320), (10, 82076688), (12, 68397240), (15, 54717792), (16, 51297930), (18, 45598160), (20, 41038344), (24, 34198620), (30, 27358896), (32, 25648965), (36, 22799080), (40, 20519172), (45, 18239264), (48, 17099310), (60, 13679448), (72, 11399540), (80, 10259586), (90, 9119632), (96, 8549655), (120, 6839724), (144, 5699770), (160, 5129793), (180, 4559816), (240, 3419862), (288, 2849885), (360, 2279908), (480, 1709931), (587, 1398240), (720, 1139954), (971, 845280), (1174, 699120), (1440, 569977), (1761, 466080), (1942, 422640), (2348, 349560), (2913, 281760), (2935, 279648), (3522, 233040), (3884, 211320), (4696, 174780), (4855, 169056), (5283, 155360), (5826, 140880), (5870, 139824), (7044, 116520), (7768, 105660), (8739, 93920), (8805, 93216), (9392, 87390), (9710, 84528), (10566, 77680), (11652, 70440), (11740, 69912), (14088, 58260), (14565, 56352), (15536, 52830), (17478, 46960), (17610, 46608), (18784, 43695), (19420, 42264), (21132, 38840), (23304, 35220), (23480, 34956), (26415, 31072), (28176, 29130)]