64980480

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{8461}}^1$

素因数の和:8487

約数の個数: 80

約数和(自身を含む): 207759024

約数和(自身を除く): 142778544

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, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 8461, 16922, 25383, 33844, 42305, 50766, 67688, 84610, 101532, 126915, 135376, 169220, 203064, 253830, 270752, 338440, 406128, 507660, 541504, 676880, 812256, 1015320, 1083008, 1353760, 1624512, 2030640, 2166016, 2707520, 3249024, 4061280, 4332032, 5415040, 6498048, 8122560, 10830080, 12996096, 16245120, 21660160, 32490240, 64980480]

約数ペア:

[(1, 64980480), (2, 32490240), (3, 21660160), (4, 16245120), (5, 12996096), (6, 10830080), (8, 8122560), (10, 6498048), (12, 5415040), (15, 4332032), (16, 4061280), (20, 3249024), (24, 2707520), (30, 2166016), (32, 2030640), (40, 1624512), (48, 1353760), (60, 1083008), (64, 1015320), (80, 812256), (96, 676880), (120, 541504), (128, 507660), (160, 406128), (192, 338440), (240, 270752), (256, 253830), (320, 203064), (384, 169220), (480, 135376), (512, 126915), (640, 101532), (768, 84610), (960, 67688), (1280, 50766), (1536, 42305), (1920, 33844), (2560, 25383), (3840, 16922), (7680, 8461)]