21727071720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{76493}}^1$

素因数の和:76776

約数の個数: 128

約数和(自身を含む): 72699897600

約数和(自身を除く): 50972825880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 263, 270, 360, 526, 540, 789, 1052, 1080, 1315, 1578, 2104, 2367, 2630, 3156, 3945, 4734, 5260, 6312, 7101, 7890, 9468, 10520, 11835, 14202, 15780, 18936, 23670, 28404, 31560, 35505, 47340, 56808, 71010, 76493, 94680, 142020, 152986, 229479, 284040, 305972, 382465, 458958, 611944, 688437, 764930, 917916, 1147395, 1376874, 1529860, 1835832, 2065311, 2294790, 2753748, 3059720, 3442185, 4130622, 4589580, 5507496, 6884370, 8261244, 9179160, 10326555, 13768740, 16522488, 20117659, 20653110, 27537480, 40235318, 41306220, 60352977, 80470636, 82612440, 100588295, 120705954, 160941272, 181058931, 201176590, 241411908, 301764885, 362117862, 402353180, 482823816, 543176793, 603529770, 724235724, 804706360, 905294655, 1086353586, 1207059540, 1448471448, 1810589310, 2172707172, 2414119080, 2715883965, 3621178620, 4345414344, 5431767930, 7242357240, 10863535860, 21727071720]

約数ペア:

[(1, 21727071720), (2, 10863535860), (3, 7242357240), (4, 5431767930), (5, 4345414344), (6, 3621178620), (8, 2715883965), (9, 2414119080), (10, 2172707172), (12, 1810589310), (15, 1448471448), (18, 1207059540), (20, 1086353586), (24, 905294655), (27, 804706360), (30, 724235724), (36, 603529770), (40, 543176793), (45, 482823816), (54, 402353180), (60, 362117862), (72, 301764885), (90, 241411908), (108, 201176590), (120, 181058931), (135, 160941272), (180, 120705954), (216, 100588295), (263, 82612440), (270, 80470636), (360, 60352977), (526, 41306220), (540, 40235318), (789, 27537480), (1052, 20653110), (1080, 20117659), (1315, 16522488), (1578, 13768740), (2104, 10326555), (2367, 9179160), (2630, 8261244), (3156, 6884370), (3945, 5507496), (4734, 4589580), (5260, 4130622), (6312, 3442185), (7101, 3059720), (7890, 2753748), (9468, 2294790), (10520, 2065311), (11835, 1835832), (14202, 1529860), (15780, 1376874), (18936, 1147395), (23670, 917916), (28404, 764930), (31560, 688437), (35505, 611944), (47340, 458958), (56808, 382465), (71010, 305972), (76493, 284040), (94680, 229479), (142020, 152986)]