257156743620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{151817}}^1$

素因数の和:151982

約数の個数: 192

約数和(自身を含む): 852901378560

約数和(自身を除く): 595744634940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 109, 111, 140, 148, 185, 210, 218, 222, 259, 327, 370, 420, 436, 444, 518, 545, 555, 654, 740, 763, 777, 1036, 1090, 1110, 1295, 1308, 1526, 1554, 1635, 2180, 2220, 2289, 2590, 3052, 3108, 3270, 3815, 3885, 4033, 4578, 5180, 6540, 7630, 7770, 8066, 9156, 11445, 12099, 15260, 15540, 16132, 20165, 22890, 24198, 28231, 40330, 45780, 48396, 56462, 60495, 80660, 84693, 112924, 120990, 141155, 151817, 169386, 241980, 282310, 303634, 338772, 423465, 455451, 564620, 607268, 759085, 846930, 910902, 1062719, 1518170, 1693860, 1821804, 2125438, 2277255, 3036340, 3188157, 4250876, 4554510, 5313595, 5617229, 6376314, 9109020, 10627190, 11234458, 12752628, 15940785, 16548053, 16851687, 21254380, 22468916, 28086145, 31881570, 33096106, 33703374, 39320603, 49644159, 56172290, 63763140, 66192212, 67406748, 78641206, 82740265, 84258435, 99288318, 112344580, 115836371, 117961809, 157282412, 165480530, 168516870, 196603015, 198576636, 231672742, 235923618, 248220795, 330961060, 337033740, 347509113, 393206030, 463345484, 471847236, 496441590, 579181855, 589809045, 612277961, 695018226, 786412060, 992883180, 1158363710, 1179618090, 1224555922, 1390036452, 1737545565, 1836833883, 2316727420, 2359236180, 2449111844, 3061389805, 3475091130, 3673667766, 4285945727, 6122779610, 6950182260, 7347335532, 8571891454, 9184169415, 12245559220, 12857837181, 17143782908, 18368338830, 21429728635, 25715674362, 36736677660, 42859457270, 51431348724, 64289185905, 85718914540, 128578371810, 257156743620]

約数ペア:

[(1, 257156743620), (2, 128578371810), (3, 85718914540), (4, 64289185905), (5, 51431348724), (6, 42859457270), (7, 36736677660), (10, 25715674362), (12, 21429728635), (14, 18368338830), (15, 17143782908), (20, 12857837181), (21, 12245559220), (28, 9184169415), (30, 8571891454), (35, 7347335532), (37, 6950182260), (42, 6122779610), (60, 4285945727), (70, 3673667766), (74, 3475091130), (84, 3061389805), (105, 2449111844), (109, 2359236180), (111, 2316727420), (140, 1836833883), (148, 1737545565), (185, 1390036452), (210, 1224555922), (218, 1179618090), (222, 1158363710), (259, 992883180), (327, 786412060), (370, 695018226), (420, 612277961), (436, 589809045), (444, 579181855), (518, 496441590), (545, 471847236), (555, 463345484), (654, 393206030), (740, 347509113), (763, 337033740), (777, 330961060), (1036, 248220795), (1090, 235923618), (1110, 231672742), (1295, 198576636), (1308, 196603015), (1526, 168516870), (1554, 165480530), (1635, 157282412), (2180, 117961809), (2220, 115836371), (2289, 112344580), (2590, 99288318), (3052, 84258435), (3108, 82740265), (3270, 78641206), (3815, 67406748), (3885, 66192212), (4033, 63763140), (4578, 56172290), (5180, 49644159), (6540, 39320603), (7630, 33703374), (7770, 33096106), (8066, 31881570), (9156, 28086145), (11445, 22468916), (12099, 21254380), (15260, 16851687), (15540, 16548053), (16132, 15940785), (20165, 12752628), (22890, 11234458), (24198, 10627190), (28231, 9109020), (40330, 6376314), (45780, 5617229), (48396, 5313595), (56462, 4554510), (60495, 4250876), (80660, 3188157), (84693, 3036340), (112924, 2277255), (120990, 2125438), (141155, 1821804), (151817, 1693860), (169386, 1518170), (241980, 1062719), (282310, 910902), (303634, 846930), (338772, 759085), (423465, 607268), (455451, 564620)]