18173701640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^3\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:356

約数の個数: 128

約数和(自身を含む): 42954762240

約数和(自身を除く): 24781060600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 151, 155, 202, 248, 302, 310, 404, 505, 604, 620, 755, 808, 961, 1010, 1208, 1240, 1510, 1922, 2020, 3020, 3131, 3844, 4040, 4681, 4805, 6040, 6262, 7688, 9362, 9610, 12524, 15251, 15655, 18724, 19220, 23405, 25048, 29791, 30502, 31310, 37448, 38440, 46810, 59582, 61004, 62620, 76255, 93620, 97061, 119164, 122008, 125240, 145111, 148955, 152510, 187240, 194122, 238328, 290222, 297910, 305020, 388244, 472781, 485305, 580444, 595820, 610040, 725555, 776488, 945562, 970610, 1160888, 1191640, 1451110, 1891124, 1941220, 2363905, 2902220, 3008891, 3782248, 3882440, 4498441, 4727810, 5804440, 6017782, 8996882, 9455620, 12035564, 14656211, 15044455, 17993764, 18911240, 22492205, 24071128, 29312422, 30088910, 35987528, 44984410, 58624844, 60177820, 73281055, 89968820, 117249688, 120355640, 146562110, 179937640, 293124220, 454342541, 586248440, 908685082, 1817370164, 2271712705, 3634740328, 4543425410, 9086850820, 18173701640]

約数ペア:

[(1, 18173701640), (2, 9086850820), (4, 4543425410), (5, 3634740328), (8, 2271712705), (10, 1817370164), (20, 908685082), (31, 586248440), (40, 454342541), (62, 293124220), (101, 179937640), (124, 146562110), (151, 120355640), (155, 117249688), (202, 89968820), (248, 73281055), (302, 60177820), (310, 58624844), (404, 44984410), (505, 35987528), (604, 30088910), (620, 29312422), (755, 24071128), (808, 22492205), (961, 18911240), (1010, 17993764), (1208, 15044455), (1240, 14656211), (1510, 12035564), (1922, 9455620), (2020, 8996882), (3020, 6017782), (3131, 5804440), (3844, 4727810), (4040, 4498441), (4681, 3882440), (4805, 3782248), (6040, 3008891), (6262, 2902220), (7688, 2363905), (9362, 1941220), (9610, 1891124), (12524, 1451110), (15251, 1191640), (15655, 1160888), (18724, 970610), (19220, 945562), (23405, 776488), (25048, 725555), (29791, 610040), (30502, 595820), (31310, 580444), (37448, 485305), (38440, 472781), (46810, 388244), (59582, 305020), (61004, 297910), (62620, 290222), (76255, 238328), (93620, 194122), (97061, 187240), (119164, 152510), (122008, 148955), (125240, 145111)]