28121531220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13933}}^1\times {\mathrm{11213}}^1$

素因数の和:25161

約数の個数: 72

約数和(自身を含む): 85315708296

約数和(自身を除く): 57194177076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 11213, 13933, 22426, 27866, 33639, 41799, 44852, 55732, 56065, 67278, 69665, 83598, 100917, 112130, 125397, 134556, 139330, 167196, 168195, 201834, 208995, 224260, 250794, 278660, 336390, 403668, 417990, 501588, 504585, 626985, 672780, 835980, 1009170, 1253970, 2018340, 2507940, 156230729, 312461458, 468692187, 624922916, 781153645, 937384374, 1406076561, 1562307290, 1874768748, 2343460935, 2812153122, 3124614580, 4686921870, 5624306244, 7030382805, 9373843740, 14060765610, 28121531220]

約数ペア:

[(1, 28121531220), (2, 14060765610), (3, 9373843740), (4, 7030382805), (5, 5624306244), (6, 4686921870), (9, 3124614580), (10, 2812153122), (12, 2343460935), (15, 1874768748), (18, 1562307290), (20, 1406076561), (30, 937384374), (36, 781153645), (45, 624922916), (60, 468692187), (90, 312461458), (180, 156230729), (11213, 2507940), (13933, 2018340), (22426, 1253970), (27866, 1009170), (33639, 835980), (41799, 672780), (44852, 626985), (55732, 504585), (56065, 501588), (67278, 417990), (69665, 403668), (83598, 336390), (100917, 278660), (112130, 250794), (125397, 224260), (134556, 208995), (139330, 201834), (167196, 168195)]