820550220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2803}}^1$

素因数の和:2880

約数の個数: 192

約数和(自身を含む): 2849043456

約数和(自身を除く): 2028493236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 41, 42, 51, 60, 68, 70, 82, 84, 85, 102, 105, 119, 123, 140, 164, 170, 204, 205, 210, 238, 246, 255, 287, 340, 357, 410, 420, 476, 492, 510, 574, 595, 615, 697, 714, 820, 861, 1020, 1148, 1190, 1230, 1394, 1428, 1435, 1722, 1785, 2091, 2380, 2460, 2788, 2803, 2870, 3444, 3485, 3570, 4182, 4305, 4879, 5606, 5740, 6970, 7140, 8364, 8409, 8610, 9758, 10455, 11212, 13940, 14015, 14637, 16818, 17220, 19516, 19621, 20910, 24395, 28030, 29274, 33636, 39242, 41820, 42045, 47651, 48790, 56060, 58548, 58863, 73185, 78484, 84090, 95302, 97580, 98105, 114923, 117726, 142953, 146370, 168180, 190604, 196210, 229846, 235452, 238255, 285906, 292740, 294315, 333557, 344769, 392420, 459692, 476510, 571812, 574615, 588630, 667114, 689538, 714765, 804461, 953020, 1000671, 1149230, 1177260, 1334228, 1379076, 1429530, 1608922, 1667785, 1723845, 1953691, 2001342, 2298460, 2413383, 2859060, 3217844, 3335570, 3447690, 3907382, 4002684, 4022305, 4826766, 5003355, 5861073, 6671140, 6895380, 7814764, 8044610, 9653532, 9768455, 10006710, 11722146, 12066915, 13675837, 16089220, 19536910, 20013420, 23444292, 24133830, 27351674, 29305365, 39073820, 41027511, 48267660, 54703348, 58610730, 68379185, 82055022, 117221460, 136758370, 164110044, 205137555, 273516740, 410275110, 820550220]

約数ペア:

[(1, 820550220), (2, 410275110), (3, 273516740), (4, 205137555), (5, 164110044), (6, 136758370), (7, 117221460), (10, 82055022), (12, 68379185), (14, 58610730), (15, 54703348), (17, 48267660), (20, 41027511), (21, 39073820), (28, 29305365), (30, 27351674), (34, 24133830), (35, 23444292), (41, 20013420), (42, 19536910), (51, 16089220), (60, 13675837), (68, 12066915), (70, 11722146), (82, 10006710), (84, 9768455), (85, 9653532), (102, 8044610), (105, 7814764), (119, 6895380), (123, 6671140), (140, 5861073), (164, 5003355), (170, 4826766), (204, 4022305), (205, 4002684), (210, 3907382), (238, 3447690), (246, 3335570), (255, 3217844), (287, 2859060), (340, 2413383), (357, 2298460), (410, 2001342), (420, 1953691), (476, 1723845), (492, 1667785), (510, 1608922), (574, 1429530), (595, 1379076), (615, 1334228), (697, 1177260), (714, 1149230), (820, 1000671), (861, 953020), (1020, 804461), (1148, 714765), (1190, 689538), (1230, 667114), (1394, 588630), (1428, 574615), (1435, 571812), (1722, 476510), (1785, 459692), (2091, 392420), (2380, 344769), (2460, 333557), (2788, 294315), (2803, 292740), (2870, 285906), (3444, 238255), (3485, 235452), (3570, 229846), (4182, 196210), (4305, 190604), (4879, 168180), (5606, 146370), (5740, 142953), (6970, 117726), (7140, 114923), (8364, 98105), (8409, 97580), (8610, 95302), (9758, 84090), (10455, 78484), (11212, 73185), (13940, 58863), (14015, 58548), (14637, 56060), (16818, 48790), (17220, 47651), (19516, 42045), (19621, 41820), (20910, 39242), (24395, 33636), (28030, 29274)]