90852760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 233435520

約数和(自身を除く): 142582760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 37, 40, 46, 68, 74, 85, 92, 115, 136, 148, 157, 170, 184, 185, 230, 296, 314, 340, 370, 391, 460, 628, 629, 680, 740, 782, 785, 851, 920, 1256, 1258, 1480, 1564, 1570, 1702, 1955, 2516, 2669, 3128, 3140, 3145, 3404, 3611, 3910, 4255, 5032, 5338, 5809, 6280, 6290, 6808, 7222, 7820, 8510, 10676, 11618, 12580, 13345, 14444, 14467, 15640, 17020, 18055, 21352, 23236, 25160, 26690, 28888, 28934, 29045, 34040, 36110, 46472, 53380, 57868, 58090, 61387, 72220, 72335, 98753, 106760, 115736, 116180, 122774, 133607, 144440, 144670, 197506, 232360, 245548, 267214, 289340, 306935, 395012, 491096, 493765, 534428, 578680, 613870, 668035, 790024, 987530, 1068856, 1227740, 1336070, 1975060, 2271319, 2455480, 2672140, 3950120, 4542638, 5344280, 9085276, 11356595, 18170552, 22713190, 45426380, 90852760]

約数ペア:

[(1, 90852760), (2, 45426380), (4, 22713190), (5, 18170552), (8, 11356595), (10, 9085276), (17, 5344280), (20, 4542638), (23, 3950120), (34, 2672140), (37, 2455480), (40, 2271319), (46, 1975060), (68, 1336070), (74, 1227740), (85, 1068856), (92, 987530), (115, 790024), (136, 668035), (148, 613870), (157, 578680), (170, 534428), (184, 493765), (185, 491096), (230, 395012), (296, 306935), (314, 289340), (340, 267214), (370, 245548), (391, 232360), (460, 197506), (628, 144670), (629, 144440), (680, 133607), (740, 122774), (782, 116180), (785, 115736), (851, 106760), (920, 98753), (1256, 72335), (1258, 72220), (1480, 61387), (1564, 58090), (1570, 57868), (1702, 53380), (1955, 46472), (2516, 36110), (2669, 34040), (3128, 29045), (3140, 28934), (3145, 28888), (3404, 26690), (3611, 25160), (3910, 23236), (4255, 21352), (5032, 18055), (5338, 17020), (5809, 15640), (6280, 14467), (6290, 14444), (6808, 13345), (7222, 12580), (7820, 11618), (8510, 10676)]