85318960

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 209718720

約数和(自身を除く): 124399760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 89, 92, 115, 178, 184, 230, 356, 368, 445, 460, 521, 712, 890, 920, 1042, 1424, 1780, 1840, 2047, 2084, 2605, 3560, 4094, 4168, 5210, 7120, 8188, 8336, 10235, 10420, 11983, 16376, 20470, 20840, 23966, 32752, 40940, 41680, 46369, 47932, 59915, 81880, 92738, 95864, 119830, 163760, 185476, 191728, 231845, 239660, 370952, 463690, 479320, 741904, 927380, 958640, 1066487, 1854760, 2132974, 3709520, 4265948, 5332435, 8531896, 10664870, 17063792, 21329740, 42659480, 85318960]

約数ペア:

[(1, 85318960), (2, 42659480), (4, 21329740), (5, 17063792), (8, 10664870), (10, 8531896), (16, 5332435), (20, 4265948), (23, 3709520), (40, 2132974), (46, 1854760), (80, 1066487), (89, 958640), (92, 927380), (115, 741904), (178, 479320), (184, 463690), (230, 370952), (356, 239660), (368, 231845), (445, 191728), (460, 185476), (521, 163760), (712, 119830), (890, 95864), (920, 92738), (1042, 81880), (1424, 59915), (1780, 47932), (1840, 46369), (2047, 41680), (2084, 40940), (2605, 32752), (3560, 23966), (4094, 20840), (4168, 20470), (5210, 16376), (7120, 11983), (8188, 10420), (8336, 10235)]