818717472

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{40039}}^1$

素因数の和:40126

約数の個数: 72

約数和(自身を含む): 2361078720

約数和(自身を除く): 1542361248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1136, 1278, 1704, 2272, 2556, 3408, 5112, 6816, 10224, 20448, 40039, 80078, 120117, 160156, 240234, 320312, 360351, 480468, 640624, 720702, 960936, 1281248, 1441404, 1921872, 2842769, 2882808, 3843744, 5685538, 5765616, 8528307, 11371076, 11531232, 17056614, 22742152, 25584921, 34113228, 45484304, 51169842, 68226456, 90968608, 102339684, 136452912, 204679368, 272905824, 409358736, 818717472]

約数ペア:

[(1, 818717472), (2, 409358736), (3, 272905824), (4, 204679368), (6, 136452912), (8, 102339684), (9, 90968608), (12, 68226456), (16, 51169842), (18, 45484304), (24, 34113228), (32, 25584921), (36, 22742152), (48, 17056614), (71, 11531232), (72, 11371076), (96, 8528307), (142, 5765616), (144, 5685538), (213, 3843744), (284, 2882808), (288, 2842769), (426, 1921872), (568, 1441404), (639, 1281248), (852, 960936), (1136, 720702), (1278, 640624), (1704, 480468), (2272, 360351), (2556, 320312), (3408, 240234), (5112, 160156), (6816, 120117), (10224, 80078), (20448, 40039)]