80267520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20903}}^1$

素因数の和:20927

約数の個数: 72

約数和(自身を含む): 256366656

約数和(自身を除く): 176099136

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, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 20903, 41806, 62709, 83612, 104515, 125418, 167224, 209030, 250836, 313545, 334448, 418060, 501672, 627090, 668896, 836120, 1003344, 1254180, 1337792, 1672240, 2006688, 2508360, 2675584, 3344480, 4013376, 5016720, 5351168, 6688960, 8026752, 10033440, 13377920, 16053504, 20066880, 26755840, 40133760, 80267520]

約数ペア:

[(1, 80267520), (2, 40133760), (3, 26755840), (4, 20066880), (5, 16053504), (6, 13377920), (8, 10033440), (10, 8026752), (12, 6688960), (15, 5351168), (16, 5016720), (20, 4013376), (24, 3344480), (30, 2675584), (32, 2508360), (40, 2006688), (48, 1672240), (60, 1337792), (64, 1254180), (80, 1003344), (96, 836120), (120, 668896), (128, 627090), (160, 501672), (192, 418060), (240, 334448), (256, 313545), (320, 250836), (384, 209030), (480, 167224), (640, 125418), (768, 104515), (960, 83612), (1280, 62709), (1920, 41806), (3840, 20903)]