20807856960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{271}}^1\times {\mathrm{661}}^1$

素因数の和:974

約数の個数: 336

約数和(自身を含む): 72995064576

約数和(自身を除く): 52187207616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 132, 160, 165, 176, 192, 220, 240, 242, 264, 271, 320, 330, 352, 363, 440, 480, 484, 528, 542, 605, 660, 661, 704, 726, 813, 880, 960, 968, 1056, 1084, 1210, 1320, 1322, 1355, 1452, 1626, 1760, 1815, 1936, 1983, 2112, 2168, 2420, 2640, 2644, 2710, 2904, 2981, 3252, 3305, 3520, 3630, 3872, 3966, 4065, 4336, 4840, 5280, 5288, 5420, 5808, 5962, 6504, 6610, 7260, 7271, 7744, 7932, 8130, 8672, 8943, 9680, 9915, 10560, 10576, 10840, 11616, 11924, 13008, 13220, 14520, 14542, 14905, 15864, 16260, 17344, 17886, 19360, 19830, 21152, 21680, 21813, 23232, 23848, 26016, 26440, 29040, 29084, 29810, 31728, 32520, 32791, 35772, 36355, 38720, 39660, 42304, 43360, 43626, 44715, 47696, 52032, 52880, 58080, 58168, 59620, 63456, 65040, 65582, 71544, 72710, 79320, 79981, 86720, 87252, 89430, 95392, 98373, 105760, 109065, 116160, 116336, 119240, 126912, 130080, 131164, 143088, 145420, 158640, 159962, 163955, 174504, 178860, 179131, 190784, 196746, 211520, 218130, 232672, 238480, 239943, 260160, 262328, 286176, 290840, 317280, 319924, 327910, 349008, 357720, 358262, 393492, 399905, 436260, 465344, 476960, 479886, 491865, 524656, 537393, 572352, 581680, 634560, 639848, 655820, 698016, 715440, 716524, 786984, 799810, 872520, 895655, 953920, 959772, 983730, 1049312, 1074786, 1163360, 1199715, 1279696, 1311640, 1396032, 1430880, 1433048, 1573968, 1599620, 1745040, 1791310, 1919544, 1967460, 1970441, 2098624, 2149572, 2326720, 2399430, 2559392, 2623280, 2686965, 2861760, 2866096, 3147936, 3199240, 3490080, 3582620, 3839088, 3934920, 3940882, 4299144, 4798860, 5118784, 5246560, 5373930, 5732192, 5911323, 6295872, 6398480, 6980160, 7165240, 7678176, 7869840, 7881764, 8598288, 9597720, 9852205, 10493120, 10747860, 11464384, 11822646, 12796960, 14330480, 15356352, 15739680, 15763528, 17196576, 19195440, 19704410, 21495720, 21674851, 23645292, 25593920, 28660960, 29556615, 31479360, 31527056, 34393152, 38390880, 39408820, 42991440, 43349702, 47290584, 57321920, 59113230, 63054112, 65024553, 76781760, 78817640, 85982880, 86699404, 94581168, 108374255, 118226460, 126108224, 130049106, 157635280, 171965760, 173398808, 189162336, 216748510, 236452920, 260098212, 315270560, 325122765, 346797616, 378324672, 433497020, 472905840, 520196424, 630541120, 650245530, 693595232, 866994040, 945811680, 1040392848, 1300491060, 1387190464, 1733988080, 1891623360, 2080785696, 2600982120, 3467976160, 4161571392, 5201964240, 6935952320, 10403928480, 20807856960]

約数ペア:

[(1, 20807856960), (2, 10403928480), (3, 6935952320), (4, 5201964240), (5, 4161571392), (6, 3467976160), (8, 2600982120), (10, 2080785696), (11, 1891623360), (12, 1733988080), (15, 1387190464), (16, 1300491060), (20, 1040392848), (22, 945811680), (24, 866994040), (30, 693595232), (32, 650245530), (33, 630541120), (40, 520196424), (44, 472905840), (48, 433497020), (55, 378324672), (60, 346797616), (64, 325122765), (66, 315270560), (80, 260098212), (88, 236452920), (96, 216748510), (110, 189162336), (120, 173398808), (121, 171965760), (132, 157635280), (160, 130049106), (165, 126108224), (176, 118226460), (192, 108374255), (220, 94581168), (240, 86699404), (242, 85982880), (264, 78817640), (271, 76781760), (320, 65024553), (330, 63054112), (352, 59113230), (363, 57321920), (440, 47290584), (480, 43349702), (484, 42991440), (528, 39408820), (542, 38390880), (605, 34393152), (660, 31527056), (661, 31479360), (704, 29556615), (726, 28660960), (813, 25593920), (880, 23645292), (960, 21674851), (968, 21495720), (1056, 19704410), (1084, 19195440), (1210, 17196576), (1320, 15763528), (1322, 15739680), (1355, 15356352), (1452, 14330480), (1626, 12796960), (1760, 11822646), (1815, 11464384), (1936, 10747860), (1983, 10493120), (2112, 9852205), (2168, 9597720), (2420, 8598288), (2640, 7881764), (2644, 7869840), (2710, 7678176), (2904, 7165240), (2981, 6980160), (3252, 6398480), (3305, 6295872), (3520, 5911323), (3630, 5732192), (3872, 5373930), (3966, 5246560), (4065, 5118784), (4336, 4798860), (4840, 4299144), (5280, 3940882), (5288, 3934920), (5420, 3839088), (5808, 3582620), (5962, 3490080), (6504, 3199240), (6610, 3147936), (7260, 2866096), (7271, 2861760), (7744, 2686965), (7932, 2623280), (8130, 2559392), (8672, 2399430), (8943, 2326720), (9680, 2149572), (9915, 2098624), (10560, 1970441), (10576, 1967460), (10840, 1919544), (11616, 1791310), (11924, 1745040), (13008, 1599620), (13220, 1573968), (14520, 1433048), (14542, 1430880), (14905, 1396032), (15864, 1311640), (16260, 1279696), (17344, 1199715), (17886, 1163360), (19360, 1074786), (19830, 1049312), (21152, 983730), (21680, 959772), (21813, 953920), (23232, 895655), (23848, 872520), (26016, 799810), (26440, 786984), (29040, 716524), (29084, 715440), (29810, 698016), (31728, 655820), (32520, 639848), (32791, 634560), (35772, 581680), (36355, 572352), (38720, 537393), (39660, 524656), (42304, 491865), (43360, 479886), (43626, 476960), (44715, 465344), (47696, 436260), (52032, 399905), (52880, 393492), (58080, 358262), (58168, 357720), (59620, 349008), (63456, 327910), (65040, 319924), (65582, 317280), (71544, 290840), (72710, 286176), (79320, 262328), (79981, 260160), (86720, 239943), (87252, 238480), (89430, 232672), (95392, 218130), (98373, 211520), (105760, 196746), (109065, 190784), (116160, 179131), (116336, 178860), (119240, 174504), (126912, 163955), (130080, 159962), (131164, 158640), (143088, 145420)]