131392980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:510

約数の個数: 144

約数和(自身を含む): 424744320

約数和(自身を除く): 293351340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 103, 114, 171, 180, 190, 206, 228, 285, 309, 342, 373, 380, 412, 515, 570, 618, 684, 746, 855, 927, 1030, 1119, 1140, 1236, 1492, 1545, 1710, 1854, 1865, 1957, 2060, 2238, 3090, 3357, 3420, 3708, 3730, 3914, 4476, 4635, 5595, 5871, 6180, 6714, 7087, 7460, 7828, 9270, 9785, 11190, 11742, 13428, 14174, 16785, 17613, 18540, 19570, 21261, 22380, 23484, 28348, 29355, 33570, 35226, 35435, 38419, 39140, 42522, 58710, 63783, 67140, 70452, 70870, 76838, 85044, 88065, 106305, 115257, 117420, 127566, 141740, 153676, 176130, 192095, 212610, 230514, 255132, 318915, 345771, 352260, 384190, 425220, 461028, 576285, 637830, 691542, 729961, 768380, 1152570, 1275660, 1383084, 1459922, 1728855, 2189883, 2305140, 2919844, 3457710, 3649805, 4379766, 6569649, 6915420, 7299610, 8759532, 10949415, 13139298, 14599220, 21898830, 26278596, 32848245, 43797660, 65696490, 131392980]

約数ペア:

[(1, 131392980), (2, 65696490), (3, 43797660), (4, 32848245), (5, 26278596), (6, 21898830), (9, 14599220), (10, 13139298), (12, 10949415), (15, 8759532), (18, 7299610), (19, 6915420), (20, 6569649), (30, 4379766), (36, 3649805), (38, 3457710), (45, 2919844), (57, 2305140), (60, 2189883), (76, 1728855), (90, 1459922), (95, 1383084), (103, 1275660), (114, 1152570), (171, 768380), (180, 729961), (190, 691542), (206, 637830), (228, 576285), (285, 461028), (309, 425220), (342, 384190), (373, 352260), (380, 345771), (412, 318915), (515, 255132), (570, 230514), (618, 212610), (684, 192095), (746, 176130), (855, 153676), (927, 141740), (1030, 127566), (1119, 117420), (1140, 115257), (1236, 106305), (1492, 88065), (1545, 85044), (1710, 76838), (1854, 70870), (1865, 70452), (1957, 67140), (2060, 63783), (2238, 58710), (3090, 42522), (3357, 39140), (3420, 38419), (3708, 35435), (3730, 35226), (3914, 33570), (4476, 29355), (4635, 28348), (5595, 23484), (5871, 22380), (6180, 21261), (6714, 19570), (7087, 18540), (7460, 17613), (7828, 16785), (9270, 14174), (9785, 13428), (11190, 11742)]