1538334840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{25087}}^1$

素因数の和:25181

約数の個数: 128

約数和(自身を含む): 5346754560

約数和(自身を除く): 3808419720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2555, 2920, 3066, 4088, 4380, 5110, 6132, 7665, 8760, 10220, 12264, 15330, 20440, 25087, 30660, 50174, 61320, 75261, 100348, 125435, 150522, 175609, 200696, 250870, 301044, 351218, 376305, 501740, 526827, 602088, 702436, 752610, 878045, 1003480, 1053654, 1404872, 1505220, 1756090, 1831351, 2107308, 2634135, 3010440, 3512180, 3662702, 4214616, 5268270, 5494053, 7024360, 7325404, 9156755, 10536540, 10988106, 12819457, 14650808, 18313510, 21073080, 21976212, 25638914, 27470265, 36627020, 38458371, 43952424, 51277828, 54940530, 64097285, 73254040, 76916742, 102555656, 109881060, 128194570, 153833484, 192291855, 219762120, 256389140, 307666968, 384583710, 512778280, 769167420, 1538334840]

約数ペア:

[(1, 1538334840), (2, 769167420), (3, 512778280), (4, 384583710), (5, 307666968), (6, 256389140), (7, 219762120), (8, 192291855), (10, 153833484), (12, 128194570), (14, 109881060), (15, 102555656), (20, 76916742), (21, 73254040), (24, 64097285), (28, 54940530), (30, 51277828), (35, 43952424), (40, 38458371), (42, 36627020), (56, 27470265), (60, 25638914), (70, 21976212), (73, 21073080), (84, 18313510), (105, 14650808), (120, 12819457), (140, 10988106), (146, 10536540), (168, 9156755), (210, 7325404), (219, 7024360), (280, 5494053), (292, 5268270), (365, 4214616), (420, 3662702), (438, 3512180), (511, 3010440), (584, 2634135), (730, 2107308), (840, 1831351), (876, 1756090), (1022, 1505220), (1095, 1404872), (1460, 1053654), (1533, 1003480), (1752, 878045), (2044, 752610), (2190, 702436), (2555, 602088), (2920, 526827), (3066, 501740), (4088, 376305), (4380, 351218), (5110, 301044), (6132, 250870), (7665, 200696), (8760, 175609), (10220, 150522), (12264, 125435), (15330, 100348), (20440, 75261), (25087, 61320), (30660, 50174)]