15678618280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:460

約数の個数: 256

約数和(自身を含む): 40841256960

約数和(自身を除く): 25162638680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 37, 40, 52, 62, 65, 74, 97, 104, 124, 130, 148, 155, 185, 194, 248, 260, 271, 296, 310, 370, 388, 403, 481, 485, 520, 542, 620, 740, 776, 806, 962, 970, 1084, 1147, 1240, 1261, 1355, 1480, 1612, 1924, 1940, 2015, 2168, 2294, 2405, 2522, 2710, 3007, 3224, 3523, 3589, 3848, 3880, 4030, 4588, 4810, 5044, 5420, 5735, 6014, 6305, 7046, 7178, 8060, 8401, 9176, 9620, 10027, 10088, 10840, 11470, 12028, 12610, 14092, 14356, 14911, 15035, 16120, 16802, 17615, 17945, 19240, 20054, 22940, 24056, 25220, 26287, 28184, 28712, 29822, 30070, 33604, 35230, 35890, 39091, 40108, 42005, 45880, 46657, 50135, 50440, 52574, 59644, 60140, 67208, 70460, 71780, 74555, 78182, 80216, 84010, 93314, 100270, 105148, 109213, 111259, 119288, 120280, 130351, 131435, 140920, 143560, 149110, 156364, 168020, 186628, 195455, 200540, 210296, 218426, 222518, 233285, 260702, 262870, 298220, 310837, 312728, 336040, 341731, 373256, 390910, 401080, 436852, 445036, 466570, 521404, 525740, 546065, 556295, 596440, 621674, 651755, 683462, 781820, 814897, 873704, 890072, 933140, 972619, 1042808, 1051480, 1092130, 1112590, 1243348, 1303510, 1366924, 1446367, 1554185, 1563640, 1629794, 1708655, 1866280, 1945238, 2184260, 2225180, 2486696, 2607020, 2733848, 2892734, 3108370, 3259588, 3417310, 3890476, 4040881, 4074485, 4368520, 4450360, 4863095, 5214040, 5785468, 6216740, 6519176, 6834620, 7231835, 7780952, 8081762, 8148970, 9726190, 10593661, 11570936, 12433480, 12644047, 13669240, 14463670, 16163524, 16297940, 19452380, 20204405, 21187322, 25288094, 28927340, 30151189, 32327048, 32595880, 38904760, 40408810, 42374644, 50576188, 52968305, 57854680, 60302378, 63220235, 80817620, 84749288, 101152376, 105936610, 120604756, 126440470, 150755945, 161635240, 211873220, 241209512, 252880940, 301511890, 391965457, 423746440, 505761880, 603023780, 783930914, 1206047560, 1567861828, 1959827285, 3135723656, 3919654570, 7839309140, 15678618280]

約数ペア:

[(1, 15678618280), (2, 7839309140), (4, 3919654570), (5, 3135723656), (8, 1959827285), (10, 1567861828), (13, 1206047560), (20, 783930914), (26, 603023780), (31, 505761880), (37, 423746440), (40, 391965457), (52, 301511890), (62, 252880940), (65, 241209512), (74, 211873220), (97, 161635240), (104, 150755945), (124, 126440470), (130, 120604756), (148, 105936610), (155, 101152376), (185, 84749288), (194, 80817620), (248, 63220235), (260, 60302378), (271, 57854680), (296, 52968305), (310, 50576188), (370, 42374644), (388, 40408810), (403, 38904760), (481, 32595880), (485, 32327048), (520, 30151189), (542, 28927340), (620, 25288094), (740, 21187322), (776, 20204405), (806, 19452380), (962, 16297940), (970, 16163524), (1084, 14463670), (1147, 13669240), (1240, 12644047), (1261, 12433480), (1355, 11570936), (1480, 10593661), (1612, 9726190), (1924, 8148970), (1940, 8081762), (2015, 7780952), (2168, 7231835), (2294, 6834620), (2405, 6519176), (2522, 6216740), (2710, 5785468), (3007, 5214040), (3224, 4863095), (3523, 4450360), (3589, 4368520), (3848, 4074485), (3880, 4040881), (4030, 3890476), (4588, 3417310), (4810, 3259588), (5044, 3108370), (5420, 2892734), (5735, 2733848), (6014, 2607020), (6305, 2486696), (7046, 2225180), (7178, 2184260), (8060, 1945238), (8401, 1866280), (9176, 1708655), (9620, 1629794), (10027, 1563640), (10088, 1554185), (10840, 1446367), (11470, 1366924), (12028, 1303510), (12610, 1243348), (14092, 1112590), (14356, 1092130), (14911, 1051480), (15035, 1042808), (16120, 972619), (16802, 933140), (17615, 890072), (17945, 873704), (19240, 814897), (20054, 781820), (22940, 683462), (24056, 651755), (25220, 621674), (26287, 596440), (28184, 556295), (28712, 546065), (29822, 525740), (30070, 521404), (33604, 466570), (35230, 445036), (35890, 436852), (39091, 401080), (40108, 390910), (42005, 373256), (45880, 341731), (46657, 336040), (50135, 312728), (50440, 310837), (52574, 298220), (59644, 262870), (60140, 260702), (67208, 233285), (70460, 222518), (71780, 218426), (74555, 210296), (78182, 200540), (80216, 195455), (84010, 186628), (93314, 168020), (100270, 156364), (105148, 149110), (109213, 143560), (111259, 140920), (119288, 131435), (120280, 130351)]