1640828760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{2239}}^1$

素因数の和:2481

約数の個数: 128

約数和(自身を含む): 5109350400

約数和(自身を除く): 3468521640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 197, 248, 310, 372, 394, 465, 591, 620, 744, 788, 930, 985, 1182, 1240, 1576, 1860, 1970, 2239, 2364, 2955, 3720, 3940, 4478, 4728, 5910, 6107, 6717, 7880, 8956, 11195, 11820, 12214, 13434, 17912, 18321, 22390, 23640, 24428, 26868, 30535, 33585, 36642, 44780, 48856, 53736, 61070, 67170, 69409, 73284, 89560, 91605, 122140, 134340, 138818, 146568, 183210, 208227, 244280, 268680, 277636, 347045, 366420, 416454, 441083, 555272, 694090, 732840, 832908, 882166, 1041135, 1323249, 1388180, 1665816, 1764332, 2082270, 2205415, 2646498, 2776360, 3528664, 4164540, 4410830, 5292996, 6616245, 8329080, 8821660, 10585992, 13232490, 13673573, 17643320, 26464980, 27347146, 41020719, 52929960, 54694292, 68367865, 82041438, 109388584, 136735730, 164082876, 205103595, 273471460, 328165752, 410207190, 546942920, 820414380, 1640828760]

約数ペア:

[(1, 1640828760), (2, 820414380), (3, 546942920), (4, 410207190), (5, 328165752), (6, 273471460), (8, 205103595), (10, 164082876), (12, 136735730), (15, 109388584), (20, 82041438), (24, 68367865), (30, 54694292), (31, 52929960), (40, 41020719), (60, 27347146), (62, 26464980), (93, 17643320), (120, 13673573), (124, 13232490), (155, 10585992), (186, 8821660), (197, 8329080), (248, 6616245), (310, 5292996), (372, 4410830), (394, 4164540), (465, 3528664), (591, 2776360), (620, 2646498), (744, 2205415), (788, 2082270), (930, 1764332), (985, 1665816), (1182, 1388180), (1240, 1323249), (1576, 1041135), (1860, 882166), (1970, 832908), (2239, 732840), (2364, 694090), (2955, 555272), (3720, 441083), (3940, 416454), (4478, 366420), (4728, 347045), (5910, 277636), (6107, 268680), (6717, 244280), (7880, 208227), (8956, 183210), (11195, 146568), (11820, 138818), (12214, 134340), (13434, 122140), (17912, 91605), (18321, 89560), (22390, 73284), (23640, 69409), (24428, 67170), (26868, 61070), (30535, 53736), (33585, 48856), (36642, 44780)]