821103240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2417}}^1$

素因数の和:2599

約数の個数: 128

約数和(自身を含む): 2611440000

約数和(自身を除く): 1790336760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 149, 152, 190, 228, 285, 298, 380, 447, 456, 570, 596, 745, 760, 894, 1140, 1192, 1490, 1788, 2235, 2280, 2417, 2831, 2980, 3576, 4470, 4834, 5662, 5960, 7251, 8493, 8940, 9668, 11324, 12085, 14155, 14502, 16986, 17880, 19336, 22648, 24170, 28310, 29004, 33972, 36255, 42465, 45923, 48340, 56620, 58008, 67944, 72510, 84930, 91846, 96680, 113240, 137769, 145020, 169860, 183692, 229615, 275538, 290040, 339720, 360133, 367384, 459230, 551076, 688845, 720266, 918460, 1080399, 1102152, 1377690, 1440532, 1800665, 1836920, 2160798, 2755380, 2881064, 3601330, 4321596, 5401995, 5510760, 6842527, 7202660, 8643192, 10803990, 13685054, 14405320, 20527581, 21607980, 27370108, 34212635, 41055162, 43215960, 54740216, 68425270, 82110324, 102637905, 136850540, 164220648, 205275810, 273701080, 410551620, 821103240]

約数ペア:

[(1, 821103240), (2, 410551620), (3, 273701080), (4, 205275810), (5, 164220648), (6, 136850540), (8, 102637905), (10, 82110324), (12, 68425270), (15, 54740216), (19, 43215960), (20, 41055162), (24, 34212635), (30, 27370108), (38, 21607980), (40, 20527581), (57, 14405320), (60, 13685054), (76, 10803990), (95, 8643192), (114, 7202660), (120, 6842527), (149, 5510760), (152, 5401995), (190, 4321596), (228, 3601330), (285, 2881064), (298, 2755380), (380, 2160798), (447, 1836920), (456, 1800665), (570, 1440532), (596, 1377690), (745, 1102152), (760, 1080399), (894, 918460), (1140, 720266), (1192, 688845), (1490, 551076), (1788, 459230), (2235, 367384), (2280, 360133), (2417, 339720), (2831, 290040), (2980, 275538), (3576, 229615), (4470, 183692), (4834, 169860), (5662, 145020), (5960, 137769), (7251, 113240), (8493, 96680), (8940, 91846), (9668, 84930), (11324, 72510), (12085, 67944), (14155, 58008), (14502, 56620), (16986, 48340), (17880, 45923), (19336, 42465), (22648, 36255), (24170, 33972), (28310, 29004)]