81248640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3847}}^1$

素因数の和:3880

約数の個数: 128

約数和(自身を含む): 282597120

約数和(自身を除く): 201348480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 880, 960, 1056, 1320, 1408, 1760, 1920, 2112, 2640, 3520, 3847, 4224, 5280, 7040, 7694, 10560, 11541, 15388, 19235, 21120, 23082, 30776, 38470, 42317, 46164, 57705, 61552, 76940, 84634, 92328, 115410, 123104, 126951, 153880, 169268, 184656, 211585, 230820, 246208, 253902, 307760, 338536, 369312, 423170, 461640, 492416, 507804, 615520, 634755, 677072, 738624, 846340, 923280, 1015608, 1231040, 1269510, 1354144, 1477248, 1692680, 1846560, 2031216, 2462080, 2539020, 2708288, 3385360, 3693120, 4062432, 5078040, 5416576, 6770720, 7386240, 8124864, 10156080, 13541440, 16249728, 20312160, 27082880, 40624320, 81248640]

約数ペア:

[(1, 81248640), (2, 40624320), (3, 27082880), (4, 20312160), (5, 16249728), (6, 13541440), (8, 10156080), (10, 8124864), (11, 7386240), (12, 6770720), (15, 5416576), (16, 5078040), (20, 4062432), (22, 3693120), (24, 3385360), (30, 2708288), (32, 2539020), (33, 2462080), (40, 2031216), (44, 1846560), (48, 1692680), (55, 1477248), (60, 1354144), (64, 1269510), (66, 1231040), (80, 1015608), (88, 923280), (96, 846340), (110, 738624), (120, 677072), (128, 634755), (132, 615520), (160, 507804), (165, 492416), (176, 461640), (192, 423170), (220, 369312), (240, 338536), (264, 307760), (320, 253902), (330, 246208), (352, 230820), (384, 211585), (440, 184656), (480, 169268), (528, 153880), (640, 126951), (660, 123104), (704, 115410), (880, 92328), (960, 84634), (1056, 76940), (1320, 61552), (1408, 57705), (1760, 46164), (1920, 42317), (2112, 38470), (2640, 30776), (3520, 23082), (3847, 21120), (4224, 19235), (5280, 15388), (7040, 11541), (7694, 10560)]