81415440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1549}}^1$

素因数の和:1641

約数の個数: 120

約数和(自身を含む): 277344600

約数和(自身を除く): 195929160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 180, 219, 240, 292, 360, 365, 438, 584, 657, 720, 730, 876, 1095, 1168, 1314, 1460, 1549, 1752, 2190, 2628, 2920, 3098, 3285, 3504, 4380, 4647, 5256, 5840, 6196, 6570, 7745, 8760, 9294, 10512, 12392, 13140, 13941, 15490, 17520, 18588, 23235, 24784, 26280, 27882, 30980, 37176, 46470, 52560, 55764, 61960, 69705, 74352, 92940, 111528, 113077, 123920, 139410, 185880, 223056, 226154, 278820, 339231, 371760, 452308, 557640, 565385, 678462, 904616, 1017693, 1115280, 1130770, 1356924, 1696155, 1809232, 2035386, 2261540, 2713848, 3392310, 4070772, 4523080, 5088465, 5427696, 6784620, 8141544, 9046160, 10176930, 13569240, 16283088, 20353860, 27138480, 40707720, 81415440]

約数ペア:

[(1, 81415440), (2, 40707720), (3, 27138480), (4, 20353860), (5, 16283088), (6, 13569240), (8, 10176930), (9, 9046160), (10, 8141544), (12, 6784620), (15, 5427696), (16, 5088465), (18, 4523080), (20, 4070772), (24, 3392310), (30, 2713848), (36, 2261540), (40, 2035386), (45, 1809232), (48, 1696155), (60, 1356924), (72, 1130770), (73, 1115280), (80, 1017693), (90, 904616), (120, 678462), (144, 565385), (146, 557640), (180, 452308), (219, 371760), (240, 339231), (292, 278820), (360, 226154), (365, 223056), (438, 185880), (584, 139410), (657, 123920), (720, 113077), (730, 111528), (876, 92940), (1095, 74352), (1168, 69705), (1314, 61960), (1460, 55764), (1549, 52560), (1752, 46470), (2190, 37176), (2628, 30980), (2920, 27882), (3098, 26280), (3285, 24784), (3504, 23235), (4380, 18588), (4647, 17520), (5256, 15490), (5840, 13941), (6196, 13140), (6570, 12392), (7745, 10512), (8760, 9294)]