406427520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{211681}}^1$

素因数の和:211703

約数の個数: 64

約数和(自身を含む): 1295493840

約数和(自身を除く): 889066320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 211681, 423362, 635043, 846724, 1058405, 1270086, 1693448, 2116810, 2540172, 3175215, 3386896, 4233620, 5080344, 6350430, 6773792, 8467240, 10160688, 12700860, 13547584, 16934480, 20321376, 25401720, 27095168, 33868960, 40642752, 50803440, 67737920, 81285504, 101606880, 135475840, 203213760, 406427520]

約数ペア:

[(1, 406427520), (2, 203213760), (3, 135475840), (4, 101606880), (5, 81285504), (6, 67737920), (8, 50803440), (10, 40642752), (12, 33868960), (15, 27095168), (16, 25401720), (20, 20321376), (24, 16934480), (30, 13547584), (32, 12700860), (40, 10160688), (48, 8467240), (60, 6773792), (64, 6350430), (80, 5080344), (96, 4233620), (120, 3386896), (128, 3175215), (160, 2540172), (192, 2116810), (240, 1693448), (320, 1270086), (384, 1058405), (480, 846724), (640, 635043), (960, 423362), (1920, 211681)]