81179856

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29671}}^1$

素因数の和:29704

約数の個数: 60

約数和(自身を含む): 239156320

約数和(自身を除く): 157976464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 29671, 59342, 89013, 118684, 178026, 237368, 267039, 356052, 474736, 534078, 563749, 712104, 1068156, 1127498, 1424208, 1691247, 2136312, 2254996, 3382494, 4272624, 4509992, 5073741, 6764988, 9019984, 10147482, 13529976, 20294964, 27059952, 40589928, 81179856]

約数ペア:

[(1, 81179856), (2, 40589928), (3, 27059952), (4, 20294964), (6, 13529976), (8, 10147482), (9, 9019984), (12, 6764988), (16, 5073741), (18, 4509992), (19, 4272624), (24, 3382494), (36, 2254996), (38, 2136312), (48, 1691247), (57, 1424208), (72, 1127498), (76, 1068156), (114, 712104), (144, 563749), (152, 534078), (171, 474736), (228, 356052), (304, 267039), (342, 237368), (456, 178026), (684, 118684), (912, 89013), (1368, 59342), (2736, 29671)]