1230489920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20563}}^1$

素因数の和:20608

約数の個数: 112

約数和(自身を含む): 3384669888

約数和(自身を除く): 2154179968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 544, 680, 704, 748, 880, 935, 1088, 1360, 1496, 1760, 1870, 2720, 2992, 3520, 3740, 5440, 5984, 7480, 11968, 14960, 20563, 29920, 41126, 59840, 82252, 102815, 164504, 205630, 226193, 329008, 349571, 411260, 452386, 658016, 699142, 822520, 904772, 1130965, 1316032, 1398284, 1645040, 1747855, 1809544, 2261930, 2796568, 3290080, 3495710, 3619088, 3845281, 4523860, 5593136, 6580160, 6991420, 7238176, 7690562, 9047720, 11186272, 13982840, 14476352, 15381124, 18095440, 19226405, 22372544, 27965680, 30762248, 36190880, 38452810, 55931360, 61524496, 72381760, 76905620, 111862720, 123048992, 153811240, 246097984, 307622480, 615244960, 1230489920]

約数ペア:

[(1, 1230489920), (2, 615244960), (4, 307622480), (5, 246097984), (8, 153811240), (10, 123048992), (11, 111862720), (16, 76905620), (17, 72381760), (20, 61524496), (22, 55931360), (32, 38452810), (34, 36190880), (40, 30762248), (44, 27965680), (55, 22372544), (64, 19226405), (68, 18095440), (80, 15381124), (85, 14476352), (88, 13982840), (110, 11186272), (136, 9047720), (160, 7690562), (170, 7238176), (176, 6991420), (187, 6580160), (220, 5593136), (272, 4523860), (320, 3845281), (340, 3619088), (352, 3495710), (374, 3290080), (440, 2796568), (544, 2261930), (680, 1809544), (704, 1747855), (748, 1645040), (880, 1398284), (935, 1316032), (1088, 1130965), (1360, 904772), (1496, 822520), (1760, 699142), (1870, 658016), (2720, 452386), (2992, 411260), (3520, 349571), (3740, 329008), (5440, 226193), (5984, 205630), (7480, 164504), (11968, 102815), (14960, 82252), (20563, 59840), (29920, 41126)]