7427840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{829}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 20358240

約数和(自身を除く): 12930400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 829, 896, 1120, 1280, 1658, 1792, 2240, 3316, 4145, 4480, 5803, 6632, 8290, 8960, 11606, 13264, 16580, 23212, 26528, 29015, 33160, 46424, 53056, 58030, 66320, 92848, 106112, 116060, 132640, 185696, 212224, 232120, 265280, 371392, 464240, 530560, 742784, 928480, 1061120, 1485568, 1856960, 3713920, 7427840]

約数ペア:

[(1, 7427840), (2, 3713920), (4, 1856960), (5, 1485568), (7, 1061120), (8, 928480), (10, 742784), (14, 530560), (16, 464240), (20, 371392), (28, 265280), (32, 232120), (35, 212224), (40, 185696), (56, 132640), (64, 116060), (70, 106112), (80, 92848), (112, 66320), (128, 58030), (140, 53056), (160, 46424), (224, 33160), (256, 29015), (280, 26528), (320, 23212), (448, 16580), (560, 13264), (640, 11606), (829, 8960), (896, 8290), (1120, 6632), (1280, 5803), (1658, 4480), (1792, 4145), (2240, 3316)]