18857127640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:394

約数の個数: 256

約数和(自身を含む): 48636887040

約数和(自身を除く): 29779759400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 61, 62, 65, 104, 122, 124, 127, 130, 151, 155, 244, 248, 254, 260, 302, 305, 310, 403, 488, 508, 520, 604, 610, 620, 635, 755, 793, 806, 1016, 1208, 1220, 1240, 1270, 1510, 1586, 1612, 1651, 1891, 1963, 2015, 2440, 2540, 3020, 3172, 3224, 3302, 3782, 3926, 3937, 3965, 4030, 4681, 5080, 6040, 6344, 6604, 7564, 7747, 7852, 7874, 7930, 8060, 8255, 9211, 9362, 9455, 9815, 13208, 15128, 15494, 15704, 15748, 15860, 16120, 16510, 18422, 18724, 18910, 19177, 19630, 19685, 23405, 24583, 30988, 31496, 31720, 33020, 36844, 37448, 37820, 38354, 38735, 39260, 39370, 46055, 46810, 49166, 51181, 60853, 61976, 66040, 73688, 75640, 76708, 77470, 78520, 78740, 92110, 93620, 95885, 98332, 100711, 102362, 119743, 121706, 122915, 153416, 154940, 157480, 184220, 187240, 191770, 196664, 201422, 204724, 239486, 240157, 243412, 245830, 249301, 255905, 285541, 304265, 309880, 368440, 383540, 402844, 409448, 478972, 480314, 486824, 491660, 498602, 503555, 511810, 571082, 594487, 598715, 608530, 767080, 805688, 957944, 960628, 983320, 997204, 1007110, 1023620, 1142164, 1169797, 1188974, 1197430, 1200785, 1217060, 1246505, 1427705, 1921256, 1994408, 2014220, 2047240, 2284328, 2339594, 2377948, 2394860, 2401570, 2434120, 2493010, 2855410, 2972435, 3122041, 3712033, 4028440, 4679188, 4755896, 4789720, 4803140, 4986020, 5710820, 5848985, 5944870, 6244082, 7424066, 7728331, 9358376, 9606280, 9972040, 11421640, 11697970, 11889740, 12488164, 14848132, 15207361, 15456662, 15610205, 18560165, 23395940, 23779480, 24976328, 29696264, 30414722, 30913324, 31220410, 36263707, 37120330, 38641655, 46791880, 60829444, 61826648, 62440820, 72527414, 74240660, 76036805, 77283310, 121658888, 124881640, 145054828, 148481320, 152073610, 154566620, 181318535, 290109656, 304147220, 309133240, 362637070, 471428191, 608294440, 725274140, 942856382, 1450548280, 1885712764, 2357140955, 3771425528, 4714281910, 9428563820, 18857127640]

約数ペア:

[(1, 18857127640), (2, 9428563820), (4, 4714281910), (5, 3771425528), (8, 2357140955), (10, 1885712764), (13, 1450548280), (20, 942856382), (26, 725274140), (31, 608294440), (40, 471428191), (52, 362637070), (61, 309133240), (62, 304147220), (65, 290109656), (104, 181318535), (122, 154566620), (124, 152073610), (127, 148481320), (130, 145054828), (151, 124881640), (155, 121658888), (244, 77283310), (248, 76036805), (254, 74240660), (260, 72527414), (302, 62440820), (305, 61826648), (310, 60829444), (403, 46791880), (488, 38641655), (508, 37120330), (520, 36263707), (604, 31220410), (610, 30913324), (620, 30414722), (635, 29696264), (755, 24976328), (793, 23779480), (806, 23395940), (1016, 18560165), (1208, 15610205), (1220, 15456662), (1240, 15207361), (1270, 14848132), (1510, 12488164), (1586, 11889740), (1612, 11697970), (1651, 11421640), (1891, 9972040), (1963, 9606280), (2015, 9358376), (2440, 7728331), (2540, 7424066), (3020, 6244082), (3172, 5944870), (3224, 5848985), (3302, 5710820), (3782, 4986020), (3926, 4803140), (3937, 4789720), (3965, 4755896), (4030, 4679188), (4681, 4028440), (5080, 3712033), (6040, 3122041), (6344, 2972435), (6604, 2855410), (7564, 2493010), (7747, 2434120), (7852, 2401570), (7874, 2394860), (7930, 2377948), (8060, 2339594), (8255, 2284328), (9211, 2047240), (9362, 2014220), (9455, 1994408), (9815, 1921256), (13208, 1427705), (15128, 1246505), (15494, 1217060), (15704, 1200785), (15748, 1197430), (15860, 1188974), (16120, 1169797), (16510, 1142164), (18422, 1023620), (18724, 1007110), (18910, 997204), (19177, 983320), (19630, 960628), (19685, 957944), (23405, 805688), (24583, 767080), (30988, 608530), (31496, 598715), (31720, 594487), (33020, 571082), (36844, 511810), (37448, 503555), (37820, 498602), (38354, 491660), (38735, 486824), (39260, 480314), (39370, 478972), (46055, 409448), (46810, 402844), (49166, 383540), (51181, 368440), (60853, 309880), (61976, 304265), (66040, 285541), (73688, 255905), (75640, 249301), (76708, 245830), (77470, 243412), (78520, 240157), (78740, 239486), (92110, 204724), (93620, 201422), (95885, 196664), (98332, 191770), (100711, 187240), (102362, 184220), (119743, 157480), (121706, 154940), (122915, 153416)]