209665920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{109201}}^1$

素因数の和:109223

約数の個数: 64

約数和(自身を含む): 668316240

約数和(自身を除く): 458650320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 109201, 218402, 327603, 436804, 546005, 655206, 873608, 1092010, 1310412, 1638015, 1747216, 2184020, 2620824, 3276030, 3494432, 4368040, 5241648, 6552060, 6988864, 8736080, 10483296, 13104120, 13977728, 17472160, 20966592, 26208240, 34944320, 41933184, 52416480, 69888640, 104832960, 209665920]

約数ペア:

[(1, 209665920), (2, 104832960), (3, 69888640), (4, 52416480), (5, 41933184), (6, 34944320), (8, 26208240), (10, 20966592), (12, 17472160), (15, 13977728), (16, 13104120), (20, 10483296), (24, 8736080), (30, 6988864), (32, 6552060), (40, 5241648), (48, 4368040), (60, 3494432), (64, 3276030), (80, 2620824), (96, 2184020), (120, 1747216), (128, 1638015), (160, 1310412), (192, 1092010), (240, 873608), (320, 655206), (384, 546005), (480, 436804), (640, 327603), (960, 218402), (1920, 109201)]