19896287940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1\times {\mathrm{5779}}^1$

素因数の和:6442

約数の個数: 144

約数和(自身を含む): 62410682880

約数和(自身を除く): 42514394940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 617, 620, 930, 1116, 1234, 1395, 1851, 1860, 2468, 2790, 3085, 3702, 5553, 5580, 5779, 6170, 7404, 9255, 11106, 11558, 12340, 17337, 18510, 19127, 22212, 23116, 27765, 28895, 34674, 37020, 38254, 52011, 55530, 57381, 57790, 69348, 76508, 86685, 95635, 104022, 111060, 114762, 115580, 172143, 173370, 179149, 191270, 208044, 229524, 260055, 286905, 344286, 346740, 358298, 382540, 520110, 537447, 573810, 688572, 716596, 860715, 895745, 1040220, 1074894, 1147620, 1612341, 1721430, 1791490, 2149788, 2687235, 3224682, 3442860, 3565643, 3582980, 5374470, 6449364, 7131286, 8061705, 10696929, 10748940, 14262572, 16123410, 17828215, 21393858, 32090787, 32246820, 35656430, 42787716, 53484645, 64181574, 71312860, 106969290, 110534933, 128363148, 160453935, 213938580, 221069866, 320907870, 331604799, 442139732, 552674665, 641815740, 663209598, 994814397, 1105349330, 1326419196, 1658023995, 1989628794, 2210698660, 3316047990, 3979257588, 4974071985, 6632095980, 9948143970, 19896287940]

約数ペア:

[(1, 19896287940), (2, 9948143970), (3, 6632095980), (4, 4974071985), (5, 3979257588), (6, 3316047990), (9, 2210698660), (10, 1989628794), (12, 1658023995), (15, 1326419196), (18, 1105349330), (20, 994814397), (30, 663209598), (31, 641815740), (36, 552674665), (45, 442139732), (60, 331604799), (62, 320907870), (90, 221069866), (93, 213938580), (124, 160453935), (155, 128363148), (180, 110534933), (186, 106969290), (279, 71312860), (310, 64181574), (372, 53484645), (465, 42787716), (558, 35656430), (617, 32246820), (620, 32090787), (930, 21393858), (1116, 17828215), (1234, 16123410), (1395, 14262572), (1851, 10748940), (1860, 10696929), (2468, 8061705), (2790, 7131286), (3085, 6449364), (3702, 5374470), (5553, 3582980), (5580, 3565643), (5779, 3442860), (6170, 3224682), (7404, 2687235), (9255, 2149788), (11106, 1791490), (11558, 1721430), (12340, 1612341), (17337, 1147620), (18510, 1074894), (19127, 1040220), (22212, 895745), (23116, 860715), (27765, 716596), (28895, 688572), (34674, 573810), (37020, 537447), (38254, 520110), (52011, 382540), (55530, 358298), (57381, 346740), (57790, 344286), (69348, 286905), (76508, 260055), (86685, 229524), (95635, 208044), (104022, 191270), (111060, 179149), (114762, 173370), (115580, 172143)]