20171736760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1\times {\mathrm{2381}}^1$

素因数の和:2861

約数の個数: 128

約数和(自身を含む): 52686028800

約数和(自身を除く): 32514292040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 383, 395, 553, 632, 766, 790, 1106, 1532, 1580, 1915, 2212, 2381, 2681, 2765, 3064, 3160, 3830, 4424, 4762, 5362, 5530, 7660, 9524, 10724, 11060, 11905, 13405, 15320, 16667, 19048, 21448, 22120, 23810, 26810, 30257, 33334, 47620, 53620, 60514, 66668, 83335, 95240, 107240, 121028, 133336, 151285, 166670, 188099, 211799, 242056, 302570, 333340, 376198, 423598, 605140, 666680, 752396, 847196, 911923, 940495, 1058995, 1210280, 1316693, 1504792, 1694392, 1823846, 1880990, 2117990, 2633386, 3647692, 3761980, 4235980, 4559615, 5266772, 6383461, 6583465, 7295384, 7523960, 8471960, 9119230, 10533544, 12766922, 13166930, 18238460, 25533844, 26333860, 31917305, 36476920, 51067688, 52667720, 63834610, 72041917, 127669220, 144083834, 255338440, 288167668, 360209585, 504293419, 576335336, 720419170, 1008586838, 1440838340, 2017173676, 2521467095, 2881676680, 4034347352, 5042934190, 10085868380, 20171736760]

約数ペア:

[(1, 20171736760), (2, 10085868380), (4, 5042934190), (5, 4034347352), (7, 2881676680), (8, 2521467095), (10, 2017173676), (14, 1440838340), (20, 1008586838), (28, 720419170), (35, 576335336), (40, 504293419), (56, 360209585), (70, 288167668), (79, 255338440), (140, 144083834), (158, 127669220), (280, 72041917), (316, 63834610), (383, 52667720), (395, 51067688), (553, 36476920), (632, 31917305), (766, 26333860), (790, 25533844), (1106, 18238460), (1532, 13166930), (1580, 12766922), (1915, 10533544), (2212, 9119230), (2381, 8471960), (2681, 7523960), (2765, 7295384), (3064, 6583465), (3160, 6383461), (3830, 5266772), (4424, 4559615), (4762, 4235980), (5362, 3761980), (5530, 3647692), (7660, 2633386), (9524, 2117990), (10724, 1880990), (11060, 1823846), (11905, 1694392), (13405, 1504792), (15320, 1316693), (16667, 1210280), (19048, 1058995), (21448, 940495), (22120, 911923), (23810, 847196), (26810, 752396), (30257, 666680), (33334, 605140), (47620, 423598), (53620, 376198), (60514, 333340), (66668, 302570), (83335, 242056), (95240, 211799), (107240, 188099), (121028, 166670), (133336, 151285)]