66471840

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:273

約数の個数: 240

約数和(自身を含む): 245887488

約数和(自身を除く): 179415648

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 81, 90, 92, 96, 108, 115, 120, 135, 138, 144, 160, 162, 180, 184, 207, 216, 223, 230, 240, 270, 276, 288, 324, 345, 360, 368, 405, 414, 432, 446, 460, 480, 540, 552, 621, 648, 669, 690, 720, 736, 810, 828, 864, 892, 920, 1035, 1080, 1104, 1115, 1242, 1296, 1338, 1380, 1440, 1620, 1656, 1784, 1840, 1863, 2007, 2070, 2160, 2208, 2230, 2484, 2592, 2676, 2760, 3105, 3240, 3312, 3345, 3568, 3680, 3726, 4014, 4140, 4320, 4460, 4968, 5129, 5352, 5520, 6021, 6210, 6480, 6624, 6690, 7136, 7452, 8028, 8280, 8920, 9315, 9936, 10035, 10258, 10704, 11040, 12042, 12420, 12960, 13380, 14904, 15387, 16056, 16560, 17840, 18063, 18630, 19872, 20070, 20516, 21408, 24084, 24840, 25645, 26760, 29808, 30105, 30774, 32112, 33120, 35680, 36126, 37260, 40140, 41032, 46161, 48168, 49680, 51290, 53520, 59616, 60210, 61548, 64224, 72252, 74520, 76935, 80280, 82064, 90315, 92322, 96336, 99360, 102580, 107040, 120420, 123096, 138483, 144504, 149040, 153870, 160560, 164128, 180630, 184644, 192672, 205160, 230805, 240840, 246192, 276966, 289008, 298080, 307740, 321120, 361260, 369288, 410320, 415449, 461610, 481680, 492384, 553932, 578016, 615480, 692415, 722520, 738576, 820640, 830898, 923220, 963360, 1107864, 1230960, 1384830, 1445040, 1477152, 1661796, 1846440, 2077245, 2215728, 2461920, 2769660, 2890080, 3323592, 3692880, 4154490, 4431456, 5539320, 6647184, 7385760, 8308980, 11078640, 13294368, 16617960, 22157280, 33235920, 66471840]

約数ペア:

[(1, 66471840), (2, 33235920), (3, 22157280), (4, 16617960), (5, 13294368), (6, 11078640), (8, 8308980), (9, 7385760), (10, 6647184), (12, 5539320), (15, 4431456), (16, 4154490), (18, 3692880), (20, 3323592), (23, 2890080), (24, 2769660), (27, 2461920), (30, 2215728), (32, 2077245), (36, 1846440), (40, 1661796), (45, 1477152), (46, 1445040), (48, 1384830), (54, 1230960), (60, 1107864), (69, 963360), (72, 923220), (80, 830898), (81, 820640), (90, 738576), (92, 722520), (96, 692415), (108, 615480), (115, 578016), (120, 553932), (135, 492384), (138, 481680), (144, 461610), (160, 415449), (162, 410320), (180, 369288), (184, 361260), (207, 321120), (216, 307740), (223, 298080), (230, 289008), (240, 276966), (270, 246192), (276, 240840), (288, 230805), (324, 205160), (345, 192672), (360, 184644), (368, 180630), (405, 164128), (414, 160560), (432, 153870), (446, 149040), (460, 144504), (480, 138483), (540, 123096), (552, 120420), (621, 107040), (648, 102580), (669, 99360), (690, 96336), (720, 92322), (736, 90315), (810, 82064), (828, 80280), (864, 76935), (892, 74520), (920, 72252), (1035, 64224), (1080, 61548), (1104, 60210), (1115, 59616), (1242, 53520), (1296, 51290), (1338, 49680), (1380, 48168), (1440, 46161), (1620, 41032), (1656, 40140), (1784, 37260), (1840, 36126), (1863, 35680), (2007, 33120), (2070, 32112), (2160, 30774), (2208, 30105), (2230, 29808), (2484, 26760), (2592, 25645), (2676, 24840), (2760, 24084), (3105, 21408), (3240, 20516), (3312, 20070), (3345, 19872), (3568, 18630), (3680, 18063), (3726, 17840), (4014, 16560), (4140, 16056), (4320, 15387), (4460, 14904), (4968, 13380), (5129, 12960), (5352, 12420), (5520, 12042), (6021, 11040), (6210, 10704), (6480, 10258), (6624, 10035), (6690, 9936), (7136, 9315), (7452, 8920), (8028, 8280)]