40342920

素因数分解:

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

素因数の和:395

約数の個数: 128

約数和(自身を含む): 129392640

約数和(自身を除く): 89049720

約数列:

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

約数ペア:

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