72746240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:404

約数の個数: 144

約数和(自身を含む): 208389888

約数和(自身を除く): 135643648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 353, 368, 448, 460, 560, 640, 644, 706, 736, 805, 896, 920, 1120, 1280, 1288, 1412, 1472, 1610, 1765, 1792, 1840, 2240, 2471, 2576, 2824, 2944, 3220, 3530, 3680, 4480, 4942, 5152, 5648, 5888, 6440, 7060, 7360, 8119, 8960, 9884, 10304, 11296, 12355, 12880, 14120, 14720, 16238, 19768, 20608, 22592, 24710, 25760, 28240, 29440, 32476, 39536, 40595, 41216, 45184, 49420, 51520, 56480, 56833, 64952, 79072, 81190, 90368, 98840, 103040, 112960, 113666, 129904, 158144, 162380, 197680, 206080, 225920, 227332, 259808, 284165, 316288, 324760, 395360, 451840, 454664, 519616, 568330, 632576, 649520, 790720, 909328, 1039232, 1136660, 1299040, 1581440, 1818656, 2078464, 2273320, 2598080, 3162880, 3637312, 4546640, 5196160, 7274624, 9093280, 10392320, 14549248, 18186560, 36373120, 72746240]

約数ペア:

[(1, 72746240), (2, 36373120), (4, 18186560), (5, 14549248), (7, 10392320), (8, 9093280), (10, 7274624), (14, 5196160), (16, 4546640), (20, 3637312), (23, 3162880), (28, 2598080), (32, 2273320), (35, 2078464), (40, 1818656), (46, 1581440), (56, 1299040), (64, 1136660), (70, 1039232), (80, 909328), (92, 790720), (112, 649520), (115, 632576), (128, 568330), (140, 519616), (160, 454664), (161, 451840), (184, 395360), (224, 324760), (230, 316288), (256, 284165), (280, 259808), (320, 227332), (322, 225920), (353, 206080), (368, 197680), (448, 162380), (460, 158144), (560, 129904), (640, 113666), (644, 112960), (706, 103040), (736, 98840), (805, 90368), (896, 81190), (920, 79072), (1120, 64952), (1280, 56833), (1288, 56480), (1412, 51520), (1472, 49420), (1610, 45184), (1765, 41216), (1792, 40595), (1840, 39536), (2240, 32476), (2471, 29440), (2576, 28240), (2824, 25760), (2944, 24710), (3220, 22592), (3530, 20608), (3680, 19768), (4480, 16238), (4942, 14720), (5152, 14120), (5648, 12880), (5888, 12355), (6440, 11296), (7060, 10304), (7360, 9884), (8119, 8960)]