81218736

素因数分解:

$2^4\times 3^2\times {\mathrm{283}}^1\times {\mathrm{1993}}^1$

素因数の和:2290

約数の個数: 60

約数和(自身を含む): 228217288

約数和(自身を除く): 146998552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 283, 566, 849, 1132, 1698, 1993, 2264, 2547, 3396, 3986, 4528, 5094, 5979, 6792, 7972, 10188, 11958, 13584, 15944, 17937, 20376, 23916, 31888, 35874, 40752, 47832, 71748, 95664, 143496, 286992, 564019, 1128038, 1692057, 2256076, 3384114, 4512152, 5076171, 6768228, 9024304, 10152342, 13536456, 20304684, 27072912, 40609368, 81218736]

約数ペア:

[(1, 81218736), (2, 40609368), (3, 27072912), (4, 20304684), (6, 13536456), (8, 10152342), (9, 9024304), (12, 6768228), (16, 5076171), (18, 4512152), (24, 3384114), (36, 2256076), (48, 1692057), (72, 1128038), (144, 564019), (283, 286992), (566, 143496), (849, 95664), (1132, 71748), (1698, 47832), (1993, 40752), (2264, 35874), (2547, 31888), (3396, 23916), (3986, 20376), (4528, 17937), (5094, 15944), (5979, 13584), (6792, 11958), (7972, 10188)]