161428800

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{199}}^1$

素因数の和:250

約数の個数: 252

約数和(自身を含む): 576376800

約数和(自身を除く): 414948000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 169, 192, 195, 199, 200, 208, 240, 260, 300, 312, 320, 325, 338, 390, 398, 400, 416, 480, 507, 520, 597, 600, 624, 650, 676, 780, 796, 800, 832, 845, 960, 975, 995, 1014, 1040, 1194, 1200, 1248, 1300, 1352, 1560, 1592, 1600, 1690, 1950, 1990, 2028, 2080, 2388, 2400, 2496, 2535, 2587, 2600, 2704, 2985, 3120, 3184, 3380, 3900, 3980, 4056, 4160, 4225, 4776, 4800, 4975, 5070, 5174, 5200, 5408, 5970, 6240, 6368, 6760, 7761, 7800, 7960, 8112, 8450, 9552, 9950, 10140, 10348, 10400, 10816, 11940, 12480, 12675, 12736, 12935, 13520, 14925, 15522, 15600, 15920, 16224, 16900, 19104, 19900, 20280, 20696, 20800, 23880, 25350, 25870, 27040, 29850, 31044, 31200, 31840, 32448, 33631, 33800, 38208, 38805, 39800, 40560, 41392, 47760, 50700, 51740, 54080, 59700, 62088, 62400, 63680, 64675, 67262, 67600, 77610, 79600, 81120, 82784, 95520, 100893, 101400, 103480, 119400, 124176, 129350, 134524, 135200, 155220, 159200, 162240, 165568, 168155, 191040, 194025, 201786, 202800, 206960, 238800, 248352, 258700, 269048, 270400, 310440, 318400, 336310, 388050, 403572, 405600, 413920, 477600, 496704, 504465, 517400, 538096, 620880, 672620, 776100, 807144, 811200, 827840, 840775, 955200, 1008930, 1034800, 1076192, 1241760, 1345240, 1552200, 1614288, 1681550, 2017860, 2069600, 2152384, 2483520, 2522325, 2690480, 3104400, 3228576, 3363100, 4035720, 4139200, 5044650, 5380960, 6208800, 6457152, 6726200, 8071440, 10089300, 10761920, 12417600, 13452400, 16142880, 20178600, 26904800, 32285760, 40357200, 53809600, 80714400, 161428800]

約数ペア:

[(1, 161428800), (2, 80714400), (3, 53809600), (4, 40357200), (5, 32285760), (6, 26904800), (8, 20178600), (10, 16142880), (12, 13452400), (13, 12417600), (15, 10761920), (16, 10089300), (20, 8071440), (24, 6726200), (25, 6457152), (26, 6208800), (30, 5380960), (32, 5044650), (39, 4139200), (40, 4035720), (48, 3363100), (50, 3228576), (52, 3104400), (60, 2690480), (64, 2522325), (65, 2483520), (75, 2152384), (78, 2069600), (80, 2017860), (96, 1681550), (100, 1614288), (104, 1552200), (120, 1345240), (130, 1241760), (150, 1076192), (156, 1034800), (160, 1008930), (169, 955200), (192, 840775), (195, 827840), (199, 811200), (200, 807144), (208, 776100), (240, 672620), (260, 620880), (300, 538096), (312, 517400), (320, 504465), (325, 496704), (338, 477600), (390, 413920), (398, 405600), (400, 403572), (416, 388050), (480, 336310), (507, 318400), (520, 310440), (597, 270400), (600, 269048), (624, 258700), (650, 248352), (676, 238800), (780, 206960), (796, 202800), (800, 201786), (832, 194025), (845, 191040), (960, 168155), (975, 165568), (995, 162240), (1014, 159200), (1040, 155220), (1194, 135200), (1200, 134524), (1248, 129350), (1300, 124176), (1352, 119400), (1560, 103480), (1592, 101400), (1600, 100893), (1690, 95520), (1950, 82784), (1990, 81120), (2028, 79600), (2080, 77610), (2388, 67600), (2400, 67262), (2496, 64675), (2535, 63680), (2587, 62400), (2600, 62088), (2704, 59700), (2985, 54080), (3120, 51740), (3184, 50700), (3380, 47760), (3900, 41392), (3980, 40560), (4056, 39800), (4160, 38805), (4225, 38208), (4776, 33800), (4800, 33631), (4975, 32448), (5070, 31840), (5174, 31200), (5200, 31044), (5408, 29850), (5970, 27040), (6240, 25870), (6368, 25350), (6760, 23880), (7761, 20800), (7800, 20696), (7960, 20280), (8112, 19900), (8450, 19104), (9552, 16900), (9950, 16224), (10140, 15920), (10348, 15600), (10400, 15522), (10816, 14925), (11940, 13520), (12480, 12935), (12675, 12736)]