120907760

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 288731520

約数和(自身を除く): 167823760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 131, 139, 166, 262, 278, 332, 415, 524, 556, 655, 664, 695, 830, 1048, 1112, 1310, 1328, 1390, 1660, 2096, 2224, 2620, 2780, 3320, 5240, 5560, 6640, 10480, 10873, 11120, 11537, 18209, 21746, 23074, 36418, 43492, 46148, 54365, 57685, 72836, 86984, 91045, 92296, 108730, 115370, 145672, 173968, 182090, 184592, 217460, 230740, 291344, 364180, 434920, 461480, 728360, 869840, 922960, 1456720, 1511347, 3022694, 6045388, 7556735, 12090776, 15113470, 24181552, 30226940, 60453880, 120907760]

約数ペア:

[(1, 120907760), (2, 60453880), (4, 30226940), (5, 24181552), (8, 15113470), (10, 12090776), (16, 7556735), (20, 6045388), (40, 3022694), (80, 1511347), (83, 1456720), (131, 922960), (139, 869840), (166, 728360), (262, 461480), (278, 434920), (332, 364180), (415, 291344), (524, 230740), (556, 217460), (655, 184592), (664, 182090), (695, 173968), (830, 145672), (1048, 115370), (1112, 108730), (1310, 92296), (1328, 91045), (1390, 86984), (1660, 72836), (2096, 57685), (2224, 54365), (2620, 46148), (2780, 43492), (3320, 36418), (5240, 23074), (5560, 21746), (6640, 18209), (10480, 11537), (10873, 11120)]