80011360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{269}}^1$

素因数の和:321

約数の個数: 144

約数和(自身を含む): 224123760

約数和(自身を除く): 144112400

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 169, 176, 208, 220, 260, 269, 286, 338, 352, 416, 440, 520, 538, 572, 676, 715, 845, 880, 1040, 1076, 1144, 1345, 1352, 1430, 1690, 1760, 1859, 2080, 2152, 2288, 2690, 2704, 2860, 2959, 3380, 3497, 3718, 4304, 4576, 5380, 5408, 5720, 5918, 6760, 6994, 7436, 8608, 9295, 10760, 11440, 11836, 13520, 13988, 14795, 14872, 17485, 18590, 21520, 22880, 23672, 27040, 27976, 29590, 29744, 34970, 37180, 38467, 43040, 45461, 47344, 55952, 59180, 59488, 69940, 74360, 76934, 90922, 94688, 111904, 118360, 139880, 148720, 153868, 181844, 192335, 227305, 236720, 279760, 297440, 307736, 363688, 384670, 454610, 473440, 500071, 559520, 615472, 727376, 769340, 909220, 1000142, 1230944, 1454752, 1538680, 1818440, 2000284, 2500355, 3077360, 3636880, 4000568, 5000710, 6154720, 7273760, 8001136, 10001420, 16002272, 20002840, 40005680, 80011360]

約数ペア:

[(1, 80011360), (2, 40005680), (4, 20002840), (5, 16002272), (8, 10001420), (10, 8001136), (11, 7273760), (13, 6154720), (16, 5000710), (20, 4000568), (22, 3636880), (26, 3077360), (32, 2500355), (40, 2000284), (44, 1818440), (52, 1538680), (55, 1454752), (65, 1230944), (80, 1000142), (88, 909220), (104, 769340), (110, 727376), (130, 615472), (143, 559520), (160, 500071), (169, 473440), (176, 454610), (208, 384670), (220, 363688), (260, 307736), (269, 297440), (286, 279760), (338, 236720), (352, 227305), (416, 192335), (440, 181844), (520, 153868), (538, 148720), (572, 139880), (676, 118360), (715, 111904), (845, 94688), (880, 90922), (1040, 76934), (1076, 74360), (1144, 69940), (1345, 59488), (1352, 59180), (1430, 55952), (1690, 47344), (1760, 45461), (1859, 43040), (2080, 38467), (2152, 37180), (2288, 34970), (2690, 29744), (2704, 29590), (2860, 27976), (2959, 27040), (3380, 23672), (3497, 22880), (3718, 21520), (4304, 18590), (4576, 17485), (5380, 14872), (5408, 14795), (5720, 13988), (5918, 13520), (6760, 11836), (6994, 11440), (7436, 10760), (8608, 9295)]