131724800

素因数分解:

$2^9\times 5^2\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:320

約数の個数: 120

約数和(自身を含む): 335650392

約数和(自身を除く): 203925592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 160, 164, 200, 205, 251, 256, 320, 328, 400, 410, 502, 512, 640, 656, 800, 820, 1004, 1025, 1255, 1280, 1312, 1600, 1640, 2008, 2050, 2510, 2560, 2624, 3200, 3280, 4016, 4100, 5020, 5248, 6275, 6400, 6560, 8032, 8200, 10040, 10291, 10496, 12550, 12800, 13120, 16064, 16400, 20080, 20582, 20992, 25100, 26240, 32128, 32800, 40160, 41164, 50200, 51455, 52480, 64256, 65600, 80320, 82328, 100400, 102910, 104960, 128512, 131200, 160640, 164656, 200800, 205820, 257275, 262400, 321280, 329312, 401600, 411640, 514550, 524800, 642560, 658624, 803200, 823280, 1029100, 1317248, 1606400, 1646560, 2058200, 2634496, 3212800, 3293120, 4116400, 5268992, 6586240, 8232800, 13172480, 16465600, 26344960, 32931200, 65862400, 131724800]

約数ペア:

[(1, 131724800), (2, 65862400), (4, 32931200), (5, 26344960), (8, 16465600), (10, 13172480), (16, 8232800), (20, 6586240), (25, 5268992), (32, 4116400), (40, 3293120), (41, 3212800), (50, 2634496), (64, 2058200), (80, 1646560), (82, 1606400), (100, 1317248), (128, 1029100), (160, 823280), (164, 803200), (200, 658624), (205, 642560), (251, 524800), (256, 514550), (320, 411640), (328, 401600), (400, 329312), (410, 321280), (502, 262400), (512, 257275), (640, 205820), (656, 200800), (800, 164656), (820, 160640), (1004, 131200), (1025, 128512), (1255, 104960), (1280, 102910), (1312, 100400), (1600, 82328), (1640, 80320), (2008, 65600), (2050, 64256), (2510, 52480), (2560, 51455), (2624, 50200), (3200, 41164), (3280, 40160), (4016, 32800), (4100, 32128), (5020, 26240), (5248, 25100), (6275, 20992), (6400, 20582), (6560, 20080), (8032, 16400), (8200, 16064), (10040, 13120), (10291, 12800), (10496, 12550)]