664421760

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^2$

素因数の和:178

約数の個数: 288

約数和(自身を含む): 2407803840

約数和(自身を除く): 1743382080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 61, 62, 64, 72, 80, 90, 93, 96, 120, 122, 124, 128, 144, 155, 160, 180, 183, 186, 192, 240, 244, 248, 279, 288, 305, 310, 320, 360, 366, 372, 384, 465, 480, 488, 496, 549, 558, 576, 610, 620, 640, 720, 732, 744, 915, 930, 960, 976, 992, 1098, 1116, 1152, 1220, 1240, 1395, 1440, 1464, 1488, 1830, 1860, 1891, 1920, 1952, 1984, 2196, 2232, 2440, 2480, 2745, 2790, 2880, 2928, 2976, 3660, 3720, 3721, 3782, 3904, 3968, 4392, 4464, 4880, 4960, 5490, 5580, 5673, 5760, 5856, 5952, 7320, 7440, 7442, 7564, 7808, 8784, 8928, 9455, 9760, 9920, 10980, 11160, 11163, 11346, 11712, 11904, 14640, 14880, 14884, 15128, 17019, 17568, 17856, 18605, 18910, 19520, 19840, 21960, 22320, 22326, 22692, 23424, 28365, 29280, 29760, 29768, 30256, 33489, 34038, 35136, 35712, 37210, 37820, 39040, 43920, 44640, 44652, 45384, 55815, 56730, 58560, 59520, 59536, 60512, 66978, 68076, 70272, 74420, 75640, 85095, 87840, 89280, 89304, 90768, 111630, 113460, 115351, 117120, 119072, 121024, 133956, 136152, 148840, 151280, 167445, 170190, 175680, 178560, 178608, 181536, 223260, 226920, 230702, 238144, 242048, 267912, 272304, 297680, 302560, 334890, 340380, 346053, 351360, 357216, 363072, 446520, 453840, 461404, 476288, 535824, 544608, 576755, 595360, 605120, 669780, 680760, 692106, 714432, 726144, 893040, 907680, 922808, 1038159, 1071648, 1089216, 1153510, 1190720, 1210240, 1339560, 1361520, 1384212, 1428864, 1730265, 1786080, 1815360, 1845616, 2076318, 2143296, 2178432, 2307020, 2381440, 2679120, 2723040, 2768424, 3460530, 3572160, 3630720, 3691232, 4152636, 4286592, 4614040, 5190795, 5358240, 5446080, 5536848, 6921060, 7144320, 7382464, 8305272, 9228080, 10381590, 10716480, 10892160, 11073696, 13842120, 14764928, 16610544, 18456160, 20763180, 21432960, 22147392, 27684240, 33221088, 36912320, 41526360, 44294784, 55368480, 66442176, 73824640, 83052720, 110736960, 132884352, 166105440, 221473920, 332210880, 664421760]

約数ペア:

[(1, 664421760), (2, 332210880), (3, 221473920), (4, 166105440), (5, 132884352), (6, 110736960), (8, 83052720), (9, 73824640), (10, 66442176), (12, 55368480), (15, 44294784), (16, 41526360), (18, 36912320), (20, 33221088), (24, 27684240), (30, 22147392), (31, 21432960), (32, 20763180), (36, 18456160), (40, 16610544), (45, 14764928), (48, 13842120), (60, 11073696), (61, 10892160), (62, 10716480), (64, 10381590), (72, 9228080), (80, 8305272), (90, 7382464), (93, 7144320), (96, 6921060), (120, 5536848), (122, 5446080), (124, 5358240), (128, 5190795), (144, 4614040), (155, 4286592), (160, 4152636), (180, 3691232), (183, 3630720), (186, 3572160), (192, 3460530), (240, 2768424), (244, 2723040), (248, 2679120), (279, 2381440), (288, 2307020), (305, 2178432), (310, 2143296), (320, 2076318), (360, 1845616), (366, 1815360), (372, 1786080), (384, 1730265), (465, 1428864), (480, 1384212), (488, 1361520), (496, 1339560), (549, 1210240), (558, 1190720), (576, 1153510), (610, 1089216), (620, 1071648), (640, 1038159), (720, 922808), (732, 907680), (744, 893040), (915, 726144), (930, 714432), (960, 692106), (976, 680760), (992, 669780), (1098, 605120), (1116, 595360), (1152, 576755), (1220, 544608), (1240, 535824), (1395, 476288), (1440, 461404), (1464, 453840), (1488, 446520), (1830, 363072), (1860, 357216), (1891, 351360), (1920, 346053), (1952, 340380), (1984, 334890), (2196, 302560), (2232, 297680), (2440, 272304), (2480, 267912), (2745, 242048), (2790, 238144), (2880, 230702), (2928, 226920), (2976, 223260), (3660, 181536), (3720, 178608), (3721, 178560), (3782, 175680), (3904, 170190), (3968, 167445), (4392, 151280), (4464, 148840), (4880, 136152), (4960, 133956), (5490, 121024), (5580, 119072), (5673, 117120), (5760, 115351), (5856, 113460), (5952, 111630), (7320, 90768), (7440, 89304), (7442, 89280), (7564, 87840), (7808, 85095), (8784, 75640), (8928, 74420), (9455, 70272), (9760, 68076), (9920, 66978), (10980, 60512), (11160, 59536), (11163, 59520), (11346, 58560), (11712, 56730), (11904, 55815), (14640, 45384), (14880, 44652), (14884, 44640), (15128, 43920), (17019, 39040), (17568, 37820), (17856, 37210), (18605, 35712), (18910, 35136), (19520, 34038), (19840, 33489), (21960, 30256), (22320, 29768), (22326, 29760), (22692, 29280), (23424, 28365)]