55243240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 145152000

約数和(自身を除く): 89908760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 31, 40, 46, 52, 62, 65, 92, 104, 115, 124, 130, 149, 155, 184, 230, 248, 260, 298, 299, 310, 403, 460, 520, 596, 598, 620, 713, 745, 806, 920, 1192, 1196, 1240, 1426, 1490, 1495, 1612, 1937, 2015, 2392, 2852, 2980, 2990, 3224, 3427, 3565, 3874, 4030, 4619, 5704, 5960, 5980, 6854, 7130, 7748, 8060, 9238, 9269, 9685, 11960, 13708, 14260, 15496, 16120, 17135, 18476, 18538, 19370, 23095, 27416, 28520, 34270, 36952, 37076, 38740, 44551, 46190, 46345, 60047, 68540, 74152, 77480, 89102, 92380, 92690, 106237, 120094, 137080, 178204, 184760, 185380, 212474, 222755, 240188, 300235, 356408, 370760, 424948, 445510, 480376, 531185, 600470, 849896, 891020, 1062370, 1200940, 1381081, 1782040, 2124740, 2401880, 2762162, 4249480, 5524324, 6905405, 11048648, 13810810, 27621620, 55243240]

約数ペア:

[(1, 55243240), (2, 27621620), (4, 13810810), (5, 11048648), (8, 6905405), (10, 5524324), (13, 4249480), (20, 2762162), (23, 2401880), (26, 2124740), (31, 1782040), (40, 1381081), (46, 1200940), (52, 1062370), (62, 891020), (65, 849896), (92, 600470), (104, 531185), (115, 480376), (124, 445510), (130, 424948), (149, 370760), (155, 356408), (184, 300235), (230, 240188), (248, 222755), (260, 212474), (298, 185380), (299, 184760), (310, 178204), (403, 137080), (460, 120094), (520, 106237), (596, 92690), (598, 92380), (620, 89102), (713, 77480), (745, 74152), (806, 68540), (920, 60047), (1192, 46345), (1196, 46190), (1240, 44551), (1426, 38740), (1490, 37076), (1495, 36952), (1612, 34270), (1937, 28520), (2015, 27416), (2392, 23095), (2852, 19370), (2980, 18538), (2990, 18476), (3224, 17135), (3427, 16120), (3565, 15496), (3874, 14260), (4030, 13708), (4619, 11960), (5704, 9685), (5960, 9269), (5980, 9238), (6854, 8060), (7130, 7748)]