123615520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 192

約数和(自身を含む): 363121920

約数和(自身を除く): 239506400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 37, 38, 40, 56, 70, 74, 76, 80, 95, 112, 133, 140, 148, 152, 157, 160, 185, 190, 224, 259, 266, 280, 296, 304, 314, 370, 380, 518, 532, 560, 592, 608, 628, 665, 703, 740, 760, 785, 1036, 1064, 1099, 1120, 1184, 1256, 1295, 1330, 1406, 1480, 1520, 1570, 2072, 2128, 2198, 2512, 2590, 2660, 2812, 2960, 2983, 3040, 3140, 3515, 4144, 4256, 4396, 4921, 5024, 5180, 5320, 5495, 5624, 5809, 5920, 5966, 6280, 7030, 8288, 8792, 9842, 10360, 10640, 10990, 11248, 11618, 11932, 12560, 14060, 14915, 17584, 19684, 20720, 20881, 21280, 21980, 22496, 23236, 23864, 24605, 25120, 28120, 29045, 29830, 35168, 39368, 40663, 41440, 41762, 43960, 46472, 47728, 49210, 56240, 58090, 59660, 78736, 81326, 83524, 87920, 92944, 95456, 98420, 104405, 110371, 112480, 116180, 119320, 157472, 162652, 167048, 175840, 185888, 196840, 203315, 208810, 220742, 232360, 238640, 325304, 334096, 393680, 406630, 417620, 441484, 464720, 477280, 551855, 650608, 668192, 772597, 787360, 813260, 835240, 882968, 929440, 1103710, 1301216, 1545194, 1626520, 1670480, 1765936, 2207420, 3090388, 3253040, 3340960, 3531872, 3862985, 4414840, 6180776, 6506080, 7725970, 8829680, 12361552, 15451940, 17659360, 24723104, 30903880, 61807760, 123615520]

約数ペア:

[(1, 123615520), (2, 61807760), (4, 30903880), (5, 24723104), (7, 17659360), (8, 15451940), (10, 12361552), (14, 8829680), (16, 7725970), (19, 6506080), (20, 6180776), (28, 4414840), (32, 3862985), (35, 3531872), (37, 3340960), (38, 3253040), (40, 3090388), (56, 2207420), (70, 1765936), (74, 1670480), (76, 1626520), (80, 1545194), (95, 1301216), (112, 1103710), (133, 929440), (140, 882968), (148, 835240), (152, 813260), (157, 787360), (160, 772597), (185, 668192), (190, 650608), (224, 551855), (259, 477280), (266, 464720), (280, 441484), (296, 417620), (304, 406630), (314, 393680), (370, 334096), (380, 325304), (518, 238640), (532, 232360), (560, 220742), (592, 208810), (608, 203315), (628, 196840), (665, 185888), (703, 175840), (740, 167048), (760, 162652), (785, 157472), (1036, 119320), (1064, 116180), (1099, 112480), (1120, 110371), (1184, 104405), (1256, 98420), (1295, 95456), (1330, 92944), (1406, 87920), (1480, 83524), (1520, 81326), (1570, 78736), (2072, 59660), (2128, 58090), (2198, 56240), (2512, 49210), (2590, 47728), (2660, 46472), (2812, 43960), (2960, 41762), (2983, 41440), (3040, 40663), (3140, 39368), (3515, 35168), (4144, 29830), (4256, 29045), (4396, 28120), (4921, 25120), (5024, 24605), (5180, 23864), (5320, 23236), (5495, 22496), (5624, 21980), (5809, 21280), (5920, 20881), (5966, 20720), (6280, 19684), (7030, 17584), (8288, 14915), (8792, 14060), (9842, 12560), (10360, 11932), (10640, 11618), (10990, 11248)]