27782720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 112

約数和(自身を含む): 77053440

約数和(自身を除く): 49270720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 140, 157, 158, 160, 224, 280, 314, 316, 320, 395, 448, 553, 560, 628, 632, 785, 790, 1099, 1106, 1120, 1256, 1264, 1570, 1580, 2198, 2212, 2240, 2512, 2528, 2765, 3140, 3160, 4396, 4424, 5024, 5056, 5495, 5530, 6280, 6320, 8792, 8848, 10048, 10990, 11060, 12403, 12560, 12640, 17584, 17696, 21980, 22120, 24806, 25120, 25280, 35168, 35392, 43960, 44240, 49612, 50240, 62015, 70336, 86821, 87920, 88480, 99224, 124030, 173642, 175840, 176960, 198448, 248060, 347284, 351680, 396896, 434105, 496120, 694568, 793792, 868210, 992240, 1389136, 1736420, 1984480, 2778272, 3472840, 3968960, 5556544, 6945680, 13891360, 27782720]

約数ペア:

[(1, 27782720), (2, 13891360), (4, 6945680), (5, 5556544), (7, 3968960), (8, 3472840), (10, 2778272), (14, 1984480), (16, 1736420), (20, 1389136), (28, 992240), (32, 868210), (35, 793792), (40, 694568), (56, 496120), (64, 434105), (70, 396896), (79, 351680), (80, 347284), (112, 248060), (140, 198448), (157, 176960), (158, 175840), (160, 173642), (224, 124030), (280, 99224), (314, 88480), (316, 87920), (320, 86821), (395, 70336), (448, 62015), (553, 50240), (560, 49612), (628, 44240), (632, 43960), (785, 35392), (790, 35168), (1099, 25280), (1106, 25120), (1120, 24806), (1256, 22120), (1264, 21980), (1570, 17696), (1580, 17584), (2198, 12640), (2212, 12560), (2240, 12403), (2512, 11060), (2528, 10990), (2765, 10048), (3140, 8848), (3160, 8792), (4396, 6320), (4424, 6280), (5024, 5530), (5056, 5495)]