81113280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4447}}^1$

素因数の和:4486

約数の個数: 112

約数和(自身を含む): 271150080

約数和(自身を除く): 190036800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1140, 1216, 1520, 1824, 2280, 3040, 3648, 4447, 4560, 6080, 8894, 9120, 13341, 17788, 18240, 22235, 26682, 35576, 44470, 53364, 66705, 71152, 84493, 88940, 106728, 133410, 142304, 168986, 177880, 213456, 253479, 266820, 284608, 337972, 355760, 422465, 426912, 506958, 533640, 675944, 711520, 844930, 853824, 1013916, 1067280, 1267395, 1351888, 1423040, 1689860, 2027832, 2134560, 2534790, 2703776, 3379720, 4055664, 4269120, 5069580, 5407552, 6759440, 8111328, 10139160, 13518880, 16222656, 20278320, 27037760, 40556640, 81113280]

約数ペア:

[(1, 81113280), (2, 40556640), (3, 27037760), (4, 20278320), (5, 16222656), (6, 13518880), (8, 10139160), (10, 8111328), (12, 6759440), (15, 5407552), (16, 5069580), (19, 4269120), (20, 4055664), (24, 3379720), (30, 2703776), (32, 2534790), (38, 2134560), (40, 2027832), (48, 1689860), (57, 1423040), (60, 1351888), (64, 1267395), (76, 1067280), (80, 1013916), (95, 853824), (96, 844930), (114, 711520), (120, 675944), (152, 533640), (160, 506958), (190, 426912), (192, 422465), (228, 355760), (240, 337972), (285, 284608), (304, 266820), (320, 253479), (380, 213456), (456, 177880), (480, 168986), (570, 142304), (608, 133410), (760, 106728), (912, 88940), (960, 84493), (1140, 71152), (1216, 66705), (1520, 53364), (1824, 44470), (2280, 35576), (3040, 26682), (3648, 22235), (4447, 18240), (4560, 17788), (6080, 13341), (8894, 9120)]