48720640

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2239}}^1$

素因数の和:2277

約数の個数: 72

約数和(自身を含む): 123621120

約数和(自身を除く): 74900480

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2239, 2720, 4352, 4478, 5440, 8956, 10880, 11195, 17912, 21760, 22390, 35824, 38063, 44780, 71648, 76126, 89560, 143296, 152252, 179120, 190315, 286592, 304504, 358240, 380630, 573184, 609008, 716480, 761260, 1218016, 1432960, 1522520, 2436032, 2865920, 3045040, 4872064, 6090080, 9744128, 12180160, 24360320, 48720640]

約数ペア:

[(1, 48720640), (2, 24360320), (4, 12180160), (5, 9744128), (8, 6090080), (10, 4872064), (16, 3045040), (17, 2865920), (20, 2436032), (32, 1522520), (34, 1432960), (40, 1218016), (64, 761260), (68, 716480), (80, 609008), (85, 573184), (128, 380630), (136, 358240), (160, 304504), (170, 286592), (256, 190315), (272, 179120), (320, 152252), (340, 143296), (544, 89560), (640, 76126), (680, 71648), (1088, 44780), (1280, 38063), (1360, 35824), (2176, 22390), (2239, 21760), (2720, 17912), (4352, 11195), (4478, 10880), (5440, 8956)]