80685840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 160

約数和(自身を含む): 267411456

約数和(自身を除く): 186725616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 47, 48, 60, 69, 80, 92, 94, 115, 120, 138, 141, 184, 188, 230, 235, 240, 276, 282, 311, 345, 368, 376, 460, 470, 552, 564, 622, 690, 705, 752, 920, 933, 940, 1081, 1104, 1128, 1244, 1380, 1410, 1555, 1840, 1866, 1880, 2162, 2256, 2488, 2760, 2820, 3110, 3243, 3732, 3760, 4324, 4665, 4976, 5405, 5520, 5640, 6220, 6486, 7153, 7464, 8648, 9330, 10810, 11280, 12440, 12972, 14306, 14617, 14928, 16215, 17296, 18660, 21459, 21620, 24880, 25944, 28612, 29234, 32430, 35765, 37320, 42918, 43240, 43851, 51888, 57224, 58468, 64860, 71530, 73085, 74640, 85836, 86480, 87702, 107295, 114448, 116936, 129720, 143060, 146170, 171672, 175404, 214590, 219255, 233872, 259440, 286120, 292340, 336191, 343344, 350808, 429180, 438510, 572240, 584680, 672382, 701616, 858360, 877020, 1008573, 1169360, 1344764, 1680955, 1716720, 1754040, 2017146, 2689528, 3361910, 3508080, 4034292, 5042865, 5379056, 6723820, 8068584, 10085730, 13447640, 16137168, 20171460, 26895280, 40342920, 80685840]

約数ペア:

[(1, 80685840), (2, 40342920), (3, 26895280), (4, 20171460), (5, 16137168), (6, 13447640), (8, 10085730), (10, 8068584), (12, 6723820), (15, 5379056), (16, 5042865), (20, 4034292), (23, 3508080), (24, 3361910), (30, 2689528), (40, 2017146), (46, 1754040), (47, 1716720), (48, 1680955), (60, 1344764), (69, 1169360), (80, 1008573), (92, 877020), (94, 858360), (115, 701616), (120, 672382), (138, 584680), (141, 572240), (184, 438510), (188, 429180), (230, 350808), (235, 343344), (240, 336191), (276, 292340), (282, 286120), (311, 259440), (345, 233872), (368, 219255), (376, 214590), (460, 175404), (470, 171672), (552, 146170), (564, 143060), (622, 129720), (690, 116936), (705, 114448), (752, 107295), (920, 87702), (933, 86480), (940, 85836), (1081, 74640), (1104, 73085), (1128, 71530), (1244, 64860), (1380, 58468), (1410, 57224), (1555, 51888), (1840, 43851), (1866, 43240), (1880, 42918), (2162, 37320), (2256, 35765), (2488, 32430), (2760, 29234), (2820, 28612), (3110, 25944), (3243, 24880), (3732, 21620), (3760, 21459), (4324, 18660), (4665, 17296), (4976, 16215), (5405, 14928), (5520, 14617), (5640, 14306), (6220, 12972), (6486, 12440), (7153, 11280), (7464, 10810), (8648, 9330)]