1011512920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{499}}^1$

素因数の和:809

約数の個数: 128

約数和(自身を含む): 2643840000

約数和(自身を除く): 1632327080

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 271, 340, 374, 440, 499, 542, 680, 748, 935, 998, 1084, 1355, 1496, 1870, 1996, 2168, 2495, 2710, 2981, 3740, 3992, 4607, 4990, 5420, 5489, 5962, 7480, 8483, 9214, 9980, 10840, 10978, 11924, 14905, 16966, 18428, 19960, 21956, 23035, 23848, 27445, 29810, 33932, 36856, 42415, 43912, 46070, 50677, 54890, 59620, 67864, 84830, 92140, 93313, 101354, 109780, 119240, 135229, 169660, 184280, 186626, 202708, 219560, 253385, 270458, 339320, 373252, 405416, 466565, 506770, 540916, 676145, 746504, 933130, 1013540, 1081832, 1352290, 1487519, 1866260, 2027080, 2298893, 2704580, 2975038, 3732520, 4597786, 5409160, 5950076, 7437595, 9195572, 11494465, 11900152, 14875190, 18391144, 22988930, 25287823, 29750380, 45977860, 50575646, 59500760, 91955720, 101151292, 126439115, 202302584, 252878230, 505756460, 1011512920]

約数ペア:

[(1, 1011512920), (2, 505756460), (4, 252878230), (5, 202302584), (8, 126439115), (10, 101151292), (11, 91955720), (17, 59500760), (20, 50575646), (22, 45977860), (34, 29750380), (40, 25287823), (44, 22988930), (55, 18391144), (68, 14875190), (85, 11900152), (88, 11494465), (110, 9195572), (136, 7437595), (170, 5950076), (187, 5409160), (220, 4597786), (271, 3732520), (340, 2975038), (374, 2704580), (440, 2298893), (499, 2027080), (542, 1866260), (680, 1487519), (748, 1352290), (935, 1081832), (998, 1013540), (1084, 933130), (1355, 746504), (1496, 676145), (1870, 540916), (1996, 506770), (2168, 466565), (2495, 405416), (2710, 373252), (2981, 339320), (3740, 270458), (3992, 253385), (4607, 219560), (4990, 202708), (5420, 186626), (5489, 184280), (5962, 169660), (7480, 135229), (8483, 119240), (9214, 109780), (9980, 101354), (10840, 93313), (10978, 92140), (11924, 84830), (14905, 67864), (16966, 59620), (18428, 54890), (19960, 50677), (21956, 46070), (23035, 43912), (23848, 42415), (27445, 36856), (29810, 33932)]