74627840

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{8329}}^1$

素因数の和:8357

約数の個数: 72

約数和(自身を含む): 204318240

約数和(自身を除く): 129690400

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, 896, 1120, 1280, 1792, 2240, 4480, 8329, 8960, 16658, 33316, 41645, 58303, 66632, 83290, 116606, 133264, 166580, 233212, 266528, 291515, 333160, 466424, 533056, 583030, 666320, 932848, 1066112, 1166060, 1332640, 1865696, 2132224, 2332120, 2665280, 3731392, 4664240, 5330560, 7462784, 9328480, 10661120, 14925568, 18656960, 37313920, 74627840]

約数ペア:

[(1, 74627840), (2, 37313920), (4, 18656960), (5, 14925568), (7, 10661120), (8, 9328480), (10, 7462784), (14, 5330560), (16, 4664240), (20, 3731392), (28, 2665280), (32, 2332120), (35, 2132224), (40, 1865696), (56, 1332640), (64, 1166060), (70, 1066112), (80, 932848), (112, 666320), (128, 583030), (140, 533056), (160, 466424), (224, 333160), (256, 291515), (280, 266528), (320, 233212), (448, 166580), (560, 133264), (640, 116606), (896, 83290), (1120, 66632), (1280, 58303), (1792, 41645), (2240, 33316), (4480, 16658), (8329, 8960)]