55169920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:400

約数の個数: 128

約数和(自身を含む): 149940000

約数和(自身を除く): 94770080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 349, 380, 416, 494, 520, 608, 640, 698, 760, 832, 988, 1040, 1216, 1235, 1396, 1520, 1664, 1745, 1976, 2080, 2432, 2470, 2792, 3040, 3490, 3952, 4160, 4537, 4940, 5584, 6080, 6631, 6980, 7904, 8320, 9074, 9880, 11168, 12160, 13262, 13960, 15808, 18148, 19760, 22336, 22685, 26524, 27920, 31616, 33155, 36296, 39520, 44672, 45370, 53048, 55840, 66310, 72592, 79040, 86203, 90740, 106096, 111680, 132620, 145184, 158080, 172406, 181480, 212192, 223360, 265240, 290368, 344812, 362960, 424384, 431015, 530480, 580736, 689624, 725920, 848768, 862030, 1060960, 1379248, 1451840, 1724060, 2121920, 2758496, 2903680, 3448120, 4243840, 5516992, 6896240, 11033984, 13792480, 27584960, 55169920]

約数ペア:

[(1, 55169920), (2, 27584960), (4, 13792480), (5, 11033984), (8, 6896240), (10, 5516992), (13, 4243840), (16, 3448120), (19, 2903680), (20, 2758496), (26, 2121920), (32, 1724060), (38, 1451840), (40, 1379248), (52, 1060960), (64, 862030), (65, 848768), (76, 725920), (80, 689624), (95, 580736), (104, 530480), (128, 431015), (130, 424384), (152, 362960), (160, 344812), (190, 290368), (208, 265240), (247, 223360), (260, 212192), (304, 181480), (320, 172406), (349, 158080), (380, 145184), (416, 132620), (494, 111680), (520, 106096), (608, 90740), (640, 86203), (698, 79040), (760, 72592), (832, 66310), (988, 55840), (1040, 53048), (1216, 45370), (1235, 44672), (1396, 39520), (1520, 36296), (1664, 33155), (1745, 31616), (1976, 27920), (2080, 26524), (2432, 22685), (2470, 22336), (2792, 19760), (3040, 18148), (3490, 15808), (3952, 13960), (4160, 13262), (4537, 12160), (4940, 11168), (5584, 9880), (6080, 9074), (6631, 8320), (6980, 7904)]