856439408080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18175709}}^1$

素因数の和:18175772

約数の個数: 80

約数和(自身を含む): 2163636518400

約数和(自身を除く): 1307197110320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 23560, 47120, 18175709, 36351418, 72702836, 90878545, 145405672, 181757090, 290811344, 345338471, 363514180, 563446979, 690676942, 727028360, 1126893958, 1381353884, 1454056720, 1726692355, 2253787916, 2762707768, 2817234895, 3453384710, 4507575832, 5525415536, 5634469790, 6906769420, 9015151664, 10705492601, 11268939580, 13813538840, 21410985202, 22537879160, 27627077680, 42821970404, 45075758320, 53527463005, 85643940808, 107054926010, 171287881616, 214109852020, 428219704040, 856439408080]

約数ペア:

[(1, 856439408080), (2, 428219704040), (4, 214109852020), (5, 171287881616), (8, 107054926010), (10, 85643940808), (16, 53527463005), (19, 45075758320), (20, 42821970404), (31, 27627077680), (38, 22537879160), (40, 21410985202), (62, 13813538840), (76, 11268939580), (80, 10705492601), (95, 9015151664), (124, 6906769420), (152, 5634469790), (155, 5525415536), (190, 4507575832), (248, 3453384710), (304, 2817234895), (310, 2762707768), (380, 2253787916), (496, 1726692355), (589, 1454056720), (620, 1381353884), (760, 1126893958), (1178, 727028360), (1240, 690676942), (1520, 563446979), (2356, 363514180), (2480, 345338471), (2945, 290811344), (4712, 181757090), (5890, 145405672), (9424, 90878545), (11780, 72702836), (23560, 36351418), (47120, 18175709)]