84206720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:410

約数の個数: 128

約数和(自身を含む): 224910000

約数和(自身を除く): 140703280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 128, 130, 145, 160, 208, 232, 260, 290, 320, 349, 377, 416, 464, 520, 580, 640, 698, 754, 832, 928, 1040, 1160, 1396, 1508, 1664, 1745, 1856, 1885, 2080, 2320, 2792, 3016, 3490, 3712, 3770, 4160, 4537, 4640, 5584, 6032, 6980, 7540, 8320, 9074, 9280, 10121, 11168, 12064, 13960, 15080, 18148, 18560, 20242, 22336, 22685, 24128, 27920, 30160, 36296, 40484, 44672, 45370, 48256, 50605, 55840, 60320, 72592, 80968, 90740, 101210, 111680, 120640, 131573, 145184, 161936, 181480, 202420, 223360, 241280, 263146, 290368, 323872, 362960, 404840, 526292, 580736, 647744, 657865, 725920, 809680, 1052584, 1295488, 1315730, 1451840, 1619360, 2105168, 2631460, 2903680, 3238720, 4210336, 5262920, 6477440, 8420672, 10525840, 16841344, 21051680, 42103360, 84206720]

約数ペア:

[(1, 84206720), (2, 42103360), (4, 21051680), (5, 16841344), (8, 10525840), (10, 8420672), (13, 6477440), (16, 5262920), (20, 4210336), (26, 3238720), (29, 2903680), (32, 2631460), (40, 2105168), (52, 1619360), (58, 1451840), (64, 1315730), (65, 1295488), (80, 1052584), (104, 809680), (116, 725920), (128, 657865), (130, 647744), (145, 580736), (160, 526292), (208, 404840), (232, 362960), (260, 323872), (290, 290368), (320, 263146), (349, 241280), (377, 223360), (416, 202420), (464, 181480), (520, 161936), (580, 145184), (640, 131573), (698, 120640), (754, 111680), (832, 101210), (928, 90740), (1040, 80968), (1160, 72592), (1396, 60320), (1508, 55840), (1664, 50605), (1745, 48256), (1856, 45370), (1885, 44672), (2080, 40484), (2320, 36296), (2792, 30160), (3016, 27920), (3490, 24128), (3712, 22685), (3770, 22336), (4160, 20242), (4537, 18560), (4640, 18148), (5584, 15080), (6032, 13960), (6980, 12064), (7540, 11168), (8320, 10121), (9074, 9280)]