18910538760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1\times {\mathrm{2879}}^1$

素因数の和:3451

約数の個数: 128

約数和(自身を含む): 57330892800

約数和(自身を除く): 38420354040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 431, 508, 635, 762, 862, 1016, 1270, 1293, 1524, 1724, 1905, 2155, 2540, 2586, 2879, 3048, 3448, 3810, 4310, 5080, 5172, 5758, 6465, 7620, 8620, 8637, 10344, 11516, 12930, 14395, 15240, 17240, 17274, 23032, 25860, 28790, 34548, 43185, 51720, 54737, 57580, 69096, 86370, 109474, 115160, 164211, 172740, 218948, 273685, 328422, 345480, 365633, 437896, 547370, 656844, 731266, 821055, 1094740, 1096899, 1240849, 1313688, 1462532, 1642110, 1828165, 2189480, 2193798, 2481698, 2925064, 3284220, 3656330, 3722547, 4387596, 4963396, 5484495, 6204245, 6568440, 7312660, 7445094, 8775192, 9926792, 10968990, 12408490, 14625320, 14890188, 18612735, 21937980, 24816980, 29780376, 37225470, 43875960, 49633960, 74450940, 148901880, 157587823, 315175646, 472763469, 630351292, 787939115, 945526938, 1260702584, 1575878230, 1891053876, 2363817345, 3151756460, 3782107752, 4727634690, 6303512920, 9455269380, 18910538760]

約数ペア:

[(1, 18910538760), (2, 9455269380), (3, 6303512920), (4, 4727634690), (5, 3782107752), (6, 3151756460), (8, 2363817345), (10, 1891053876), (12, 1575878230), (15, 1260702584), (20, 945526938), (24, 787939115), (30, 630351292), (40, 472763469), (60, 315175646), (120, 157587823), (127, 148901880), (254, 74450940), (381, 49633960), (431, 43875960), (508, 37225470), (635, 29780376), (762, 24816980), (862, 21937980), (1016, 18612735), (1270, 14890188), (1293, 14625320), (1524, 12408490), (1724, 10968990), (1905, 9926792), (2155, 8775192), (2540, 7445094), (2586, 7312660), (2879, 6568440), (3048, 6204245), (3448, 5484495), (3810, 4963396), (4310, 4387596), (5080, 3722547), (5172, 3656330), (5758, 3284220), (6465, 2925064), (7620, 2481698), (8620, 2193798), (8637, 2189480), (10344, 1828165), (11516, 1642110), (12930, 1462532), (14395, 1313688), (15240, 1240849), (17240, 1096899), (17274, 1094740), (23032, 821055), (25860, 731266), (28790, 656844), (34548, 547370), (43185, 437896), (51720, 365633), (54737, 345480), (57580, 328422), (69096, 273685), (86370, 218948), (109474, 172740), (115160, 164211)]