64571520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1$

素因数の和:247

約数の個数: 192

約数和(自身を含む): 223992000

約数和(自身を除く): 159420480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 169, 192, 195, 199, 208, 240, 260, 312, 320, 338, 384, 390, 398, 416, 480, 507, 520, 597, 624, 640, 676, 780, 796, 832, 845, 960, 995, 1014, 1040, 1194, 1248, 1352, 1560, 1592, 1664, 1690, 1920, 1990, 2028, 2080, 2388, 2496, 2535, 2587, 2704, 2985, 3120, 3184, 3380, 3980, 4056, 4160, 4776, 4992, 5070, 5174, 5408, 5970, 6240, 6368, 6760, 7761, 7960, 8112, 8320, 9552, 10140, 10348, 10816, 11940, 12480, 12736, 12935, 13520, 15522, 15920, 16224, 19104, 20280, 20696, 21632, 23880, 24960, 25472, 25870, 27040, 31044, 31840, 32448, 33631, 38208, 38805, 40560, 41392, 47760, 51740, 54080, 62088, 63680, 64896, 67262, 76416, 77610, 81120, 82784, 95520, 100893, 103480, 108160, 124176, 127360, 134524, 155220, 162240, 165568, 168155, 191040, 201786, 206960, 248352, 269048, 310440, 324480, 331136, 336310, 382080, 403572, 413920, 496704, 504465, 538096, 620880, 672620, 807144, 827840, 993408, 1008930, 1076192, 1241760, 1345240, 1614288, 1655680, 2017860, 2152384, 2483520, 2690480, 3228576, 4035720, 4304768, 4967040, 5380960, 6457152, 8071440, 10761920, 12914304, 16142880, 21523840, 32285760, 64571520]

約数ペア:

[(1, 64571520), (2, 32285760), (3, 21523840), (4, 16142880), (5, 12914304), (6, 10761920), (8, 8071440), (10, 6457152), (12, 5380960), (13, 4967040), (15, 4304768), (16, 4035720), (20, 3228576), (24, 2690480), (26, 2483520), (30, 2152384), (32, 2017860), (39, 1655680), (40, 1614288), (48, 1345240), (52, 1241760), (60, 1076192), (64, 1008930), (65, 993408), (78, 827840), (80, 807144), (96, 672620), (104, 620880), (120, 538096), (128, 504465), (130, 496704), (156, 413920), (160, 403572), (169, 382080), (192, 336310), (195, 331136), (199, 324480), (208, 310440), (240, 269048), (260, 248352), (312, 206960), (320, 201786), (338, 191040), (384, 168155), (390, 165568), (398, 162240), (416, 155220), (480, 134524), (507, 127360), (520, 124176), (597, 108160), (624, 103480), (640, 100893), (676, 95520), (780, 82784), (796, 81120), (832, 77610), (845, 76416), (960, 67262), (995, 64896), (1014, 63680), (1040, 62088), (1194, 54080), (1248, 51740), (1352, 47760), (1560, 41392), (1592, 40560), (1664, 38805), (1690, 38208), (1920, 33631), (1990, 32448), (2028, 31840), (2080, 31044), (2388, 27040), (2496, 25870), (2535, 25472), (2587, 24960), (2704, 23880), (2985, 21632), (3120, 20696), (3184, 20280), (3380, 19104), (3980, 16224), (4056, 15920), (4160, 15522), (4776, 13520), (4992, 12935), (5070, 12736), (5174, 12480), (5408, 11940), (5970, 10816), (6240, 10348), (6368, 10140), (6760, 9552), (7761, 8320), (7960, 8112)]