814278640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{8707}}^1$

素因数の和:8894

約数の個数: 80

約数和(自身を含む): 2176860672

約数和(自身を除く): 1362582032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 167, 280, 334, 560, 668, 835, 1169, 1336, 1670, 2338, 2672, 3340, 4676, 5845, 6680, 8707, 9352, 11690, 13360, 17414, 18704, 23380, 34828, 43535, 46760, 60949, 69656, 87070, 93520, 121898, 139312, 174140, 243796, 304745, 348280, 487592, 609490, 696560, 975184, 1218980, 1454069, 2437960, 2908138, 4875920, 5816276, 7270345, 10178483, 11632552, 14540690, 20356966, 23265104, 29081380, 40713932, 50892415, 58162760, 81427864, 101784830, 116325520, 162855728, 203569660, 407139320, 814278640]

約数ペア:

[(1, 814278640), (2, 407139320), (4, 203569660), (5, 162855728), (7, 116325520), (8, 101784830), (10, 81427864), (14, 58162760), (16, 50892415), (20, 40713932), (28, 29081380), (35, 23265104), (40, 20356966), (56, 14540690), (70, 11632552), (80, 10178483), (112, 7270345), (140, 5816276), (167, 4875920), (280, 2908138), (334, 2437960), (560, 1454069), (668, 1218980), (835, 975184), (1169, 696560), (1336, 609490), (1670, 487592), (2338, 348280), (2672, 304745), (3340, 243796), (4676, 174140), (5845, 139312), (6680, 121898), (8707, 93520), (9352, 87070), (11690, 69656), (13360, 60949), (17414, 46760), (18704, 43535), (23380, 34828)]