69981640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 176774400

約数和(自身を除く): 106792760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 43, 46, 58, 61, 86, 92, 115, 116, 122, 145, 172, 184, 215, 230, 232, 244, 290, 305, 344, 430, 460, 488, 580, 610, 667, 860, 920, 989, 1160, 1220, 1247, 1334, 1403, 1720, 1769, 1978, 2440, 2494, 2623, 2668, 2806, 3335, 3538, 3956, 4945, 4988, 5246, 5336, 5612, 6235, 6670, 7015, 7076, 7912, 8845, 9890, 9976, 10492, 11224, 12470, 13115, 13340, 14030, 14152, 17690, 19780, 20984, 24940, 26230, 26680, 28060, 28681, 35380, 39560, 40687, 49880, 52460, 56120, 57362, 60329, 70760, 76067, 81374, 104920, 114724, 120658, 143405, 152134, 162748, 203435, 229448, 241316, 286810, 301645, 304268, 325496, 380335, 406870, 482632, 573620, 603290, 608536, 760670, 813740, 1147240, 1206580, 1521340, 1627480, 1749541, 2413160, 3042680, 3499082, 6998164, 8747705, 13996328, 17495410, 34990820, 69981640]

約数ペア:

[(1, 69981640), (2, 34990820), (4, 17495410), (5, 13996328), (8, 8747705), (10, 6998164), (20, 3499082), (23, 3042680), (29, 2413160), (40, 1749541), (43, 1627480), (46, 1521340), (58, 1206580), (61, 1147240), (86, 813740), (92, 760670), (115, 608536), (116, 603290), (122, 573620), (145, 482632), (172, 406870), (184, 380335), (215, 325496), (230, 304268), (232, 301645), (244, 286810), (290, 241316), (305, 229448), (344, 203435), (430, 162748), (460, 152134), (488, 143405), (580, 120658), (610, 114724), (667, 104920), (860, 81374), (920, 76067), (989, 70760), (1160, 60329), (1220, 57362), (1247, 56120), (1334, 52460), (1403, 49880), (1720, 40687), (1769, 39560), (1978, 35380), (2440, 28681), (2494, 28060), (2623, 26680), (2668, 26230), (2806, 24940), (3335, 20984), (3538, 19780), (3956, 17690), (4945, 14152), (4988, 14030), (5246, 13340), (5336, 13115), (5612, 12470), (6235, 11224), (6670, 10492), (7015, 9976), (7076, 9890), (7912, 8845)]