72874120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 196992000

約数和(自身を除く): 124117880

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 23, 38, 40, 44, 46, 55, 76, 88, 92, 95, 110, 115, 152, 184, 190, 209, 220, 230, 253, 379, 380, 418, 437, 440, 460, 506, 758, 760, 836, 874, 920, 1012, 1045, 1265, 1516, 1672, 1748, 1895, 2024, 2090, 2185, 2530, 3032, 3496, 3790, 4169, 4180, 4370, 4807, 5060, 7201, 7580, 8338, 8360, 8717, 8740, 9614, 10120, 14402, 15160, 16676, 17434, 17480, 19228, 20845, 24035, 28804, 33352, 34868, 36005, 38456, 41690, 43585, 48070, 57608, 69736, 72010, 79211, 83380, 87170, 95887, 96140, 144020, 158422, 165623, 166760, 174340, 191774, 192280, 288040, 316844, 331246, 348680, 383548, 396055, 479435, 633688, 662492, 767096, 792110, 828115, 958870, 1324984, 1584220, 1656230, 1821853, 1917740, 3168440, 3312460, 3643706, 3835480, 6624920, 7287412, 9109265, 14574824, 18218530, 36437060, 72874120]

約数ペア:

[(1, 72874120), (2, 36437060), (4, 18218530), (5, 14574824), (8, 9109265), (10, 7287412), (11, 6624920), (19, 3835480), (20, 3643706), (22, 3312460), (23, 3168440), (38, 1917740), (40, 1821853), (44, 1656230), (46, 1584220), (55, 1324984), (76, 958870), (88, 828115), (92, 792110), (95, 767096), (110, 662492), (115, 633688), (152, 479435), (184, 396055), (190, 383548), (209, 348680), (220, 331246), (230, 316844), (253, 288040), (379, 192280), (380, 191774), (418, 174340), (437, 166760), (440, 165623), (460, 158422), (506, 144020), (758, 96140), (760, 95887), (836, 87170), (874, 83380), (920, 79211), (1012, 72010), (1045, 69736), (1265, 57608), (1516, 48070), (1672, 43585), (1748, 41690), (1895, 38456), (2024, 36005), (2090, 34868), (2185, 33352), (2530, 28804), (3032, 24035), (3496, 20845), (3790, 19228), (4169, 17480), (4180, 17434), (4370, 16676), (4807, 15160), (5060, 14402), (7201, 10120), (7580, 9614), (8338, 8740), (8360, 8717)]