123136720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:273

約数の個数: 160

約数和(自身を含む): 351406080

約数和(自身を除く): 228269360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 80, 95, 112, 133, 140, 142, 152, 163, 190, 266, 280, 284, 304, 326, 355, 380, 497, 532, 560, 568, 652, 665, 710, 760, 815, 994, 1064, 1136, 1141, 1304, 1330, 1349, 1420, 1520, 1630, 1988, 2128, 2282, 2485, 2608, 2660, 2698, 2840, 3097, 3260, 3976, 4564, 4970, 5320, 5396, 5680, 5705, 6194, 6520, 6745, 7952, 9128, 9443, 9940, 10640, 10792, 11410, 11573, 12388, 13040, 13490, 15485, 18256, 18886, 19880, 21584, 21679, 22820, 23146, 24776, 26980, 30970, 37772, 39760, 43358, 45640, 46292, 47215, 49552, 53960, 57865, 61940, 75544, 81011, 86716, 91280, 92584, 94430, 107920, 108395, 115730, 123880, 151088, 162022, 173432, 185168, 188860, 216790, 219887, 231460, 247760, 324044, 346864, 377720, 405055, 433580, 439774, 462920, 648088, 755440, 810110, 867160, 879548, 925840, 1099435, 1296176, 1539209, 1620220, 1734320, 1759096, 2198870, 3078418, 3240440, 3518192, 4397740, 6156836, 6480880, 7696045, 8795480, 12313672, 15392090, 17590960, 24627344, 30784180, 61568360, 123136720]

約数ペア:

[(1, 123136720), (2, 61568360), (4, 30784180), (5, 24627344), (7, 17590960), (8, 15392090), (10, 12313672), (14, 8795480), (16, 7696045), (19, 6480880), (20, 6156836), (28, 4397740), (35, 3518192), (38, 3240440), (40, 3078418), (56, 2198870), (70, 1759096), (71, 1734320), (76, 1620220), (80, 1539209), (95, 1296176), (112, 1099435), (133, 925840), (140, 879548), (142, 867160), (152, 810110), (163, 755440), (190, 648088), (266, 462920), (280, 439774), (284, 433580), (304, 405055), (326, 377720), (355, 346864), (380, 324044), (497, 247760), (532, 231460), (560, 219887), (568, 216790), (652, 188860), (665, 185168), (710, 173432), (760, 162022), (815, 151088), (994, 123880), (1064, 115730), (1136, 108395), (1141, 107920), (1304, 94430), (1330, 92584), (1349, 91280), (1420, 86716), (1520, 81011), (1630, 75544), (1988, 61940), (2128, 57865), (2282, 53960), (2485, 49552), (2608, 47215), (2660, 46292), (2698, 45640), (2840, 43358), (3097, 39760), (3260, 37772), (3976, 30970), (4564, 26980), (4970, 24776), (5320, 23146), (5396, 22820), (5680, 21679), (5705, 21584), (6194, 19880), (6520, 18886), (6745, 18256), (7952, 15485), (9128, 13490), (9443, 13040), (9940, 12388), (10640, 11573), (10792, 11410)]