80262180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19387}}^1$

素因数の和:19425

約数の個数: 72

約数和(自身を含む): 254060352

約数和(自身を除く): 173798172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 19387, 38774, 58161, 77548, 96935, 116322, 174483, 193870, 232644, 290805, 348966, 387740, 445901, 581610, 697932, 872415, 891802, 1163220, 1337703, 1744830, 1783604, 2229505, 2675406, 3489660, 4013109, 4459010, 5350812, 6688515, 8026218, 8918020, 13377030, 16052436, 20065545, 26754060, 40131090, 80262180]

約数ペア:

[(1, 80262180), (2, 40131090), (3, 26754060), (4, 20065545), (5, 16052436), (6, 13377030), (9, 8918020), (10, 8026218), (12, 6688515), (15, 5350812), (18, 4459010), (20, 4013109), (23, 3489660), (30, 2675406), (36, 2229505), (45, 1783604), (46, 1744830), (60, 1337703), (69, 1163220), (90, 891802), (92, 872415), (115, 697932), (138, 581610), (180, 445901), (207, 387740), (230, 348966), (276, 290805), (345, 232644), (414, 193870), (460, 174483), (690, 116322), (828, 96935), (1035, 77548), (1380, 58161), (2070, 38774), (4140, 19387)]