2021031520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{3673}}^1$

素因数の和:3888

約数の個数: 96

約数和(自身を含む): 5055130080

約数和(自身を除く): 3034098560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 181, 190, 304, 362, 380, 608, 724, 760, 905, 1448, 1520, 1810, 2896, 3040, 3439, 3620, 3673, 5792, 6878, 7240, 7346, 13756, 14480, 14692, 17195, 18365, 27512, 28960, 29384, 34390, 36730, 55024, 58768, 68780, 69787, 73460, 110048, 117536, 137560, 139574, 146920, 275120, 279148, 293840, 348935, 550240, 558296, 587680, 664813, 697870, 1116592, 1329626, 1395740, 2233184, 2659252, 2791480, 3324065, 5318504, 5582960, 6648130, 10637008, 11165920, 12631447, 13296260, 21274016, 25262894, 26592520, 50525788, 53185040, 63157235, 101051576, 106370080, 126314470, 202103152, 252628940, 404206304, 505257880, 1010515760, 2021031520]

約数ペア:

[(1, 2021031520), (2, 1010515760), (4, 505257880), (5, 404206304), (8, 252628940), (10, 202103152), (16, 126314470), (19, 106370080), (20, 101051576), (32, 63157235), (38, 53185040), (40, 50525788), (76, 26592520), (80, 25262894), (95, 21274016), (152, 13296260), (160, 12631447), (181, 11165920), (190, 10637008), (304, 6648130), (362, 5582960), (380, 5318504), (608, 3324065), (724, 2791480), (760, 2659252), (905, 2233184), (1448, 1395740), (1520, 1329626), (1810, 1116592), (2896, 697870), (3040, 664813), (3439, 587680), (3620, 558296), (3673, 550240), (5792, 348935), (6878, 293840), (7240, 279148), (7346, 275120), (13756, 146920), (14480, 139574), (14692, 137560), (17195, 117536), (18365, 110048), (27512, 73460), (28960, 69787), (29384, 68780), (34390, 58768), (36730, 55024)]