38618720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 110623968

約数和(自身を除く): 72005248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 41, 56, 58, 70, 80, 82, 112, 116, 140, 145, 160, 164, 203, 205, 224, 232, 280, 287, 290, 328, 406, 410, 464, 560, 574, 580, 656, 812, 820, 841, 928, 1015, 1120, 1148, 1160, 1189, 1312, 1435, 1624, 1640, 1682, 2030, 2296, 2320, 2378, 2870, 3248, 3280, 3364, 4060, 4205, 4592, 4640, 4756, 5740, 5887, 5945, 6496, 6560, 6728, 8120, 8323, 8410, 9184, 9512, 11480, 11774, 11890, 13456, 16240, 16646, 16820, 19024, 22960, 23548, 23780, 26912, 29435, 32480, 33292, 33640, 34481, 38048, 41615, 45920, 47096, 47560, 58870, 66584, 67280, 68962, 83230, 94192, 95120, 117740, 133168, 134560, 137924, 166460, 172405, 188384, 190240, 235480, 241367, 266336, 275848, 332920, 344810, 470960, 482734, 551696, 665840, 689620, 941920, 965468, 1103392, 1206835, 1331680, 1379240, 1930936, 2413670, 2758480, 3861872, 4827340, 5516960, 7723744, 9654680, 19309360, 38618720]

約数ペア:

[(1, 38618720), (2, 19309360), (4, 9654680), (5, 7723744), (7, 5516960), (8, 4827340), (10, 3861872), (14, 2758480), (16, 2413670), (20, 1930936), (28, 1379240), (29, 1331680), (32, 1206835), (35, 1103392), (40, 965468), (41, 941920), (56, 689620), (58, 665840), (70, 551696), (80, 482734), (82, 470960), (112, 344810), (116, 332920), (140, 275848), (145, 266336), (160, 241367), (164, 235480), (203, 190240), (205, 188384), (224, 172405), (232, 166460), (280, 137924), (287, 134560), (290, 133168), (328, 117740), (406, 95120), (410, 94192), (464, 83230), (560, 68962), (574, 67280), (580, 66584), (656, 58870), (812, 47560), (820, 47096), (841, 45920), (928, 41615), (1015, 38048), (1120, 34481), (1148, 33640), (1160, 33292), (1189, 32480), (1312, 29435), (1435, 26912), (1624, 23780), (1640, 23548), (1682, 22960), (2030, 19024), (2296, 16820), (2320, 16646), (2378, 16240), (2870, 13456), (3248, 11890), (3280, 11774), (3364, 11480), (4060, 9512), (4205, 9184), (4592, 8410), (4640, 8323), (4756, 8120), (5740, 6728), (5887, 6560), (5945, 6496)]