123879840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:284

約数の個数: 288

約数和(自身を含む): 475735680

約数和(自身を除く): 351855840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 49, 56, 60, 69, 70, 80, 84, 92, 96, 98, 105, 112, 115, 120, 138, 140, 147, 160, 161, 168, 184, 196, 210, 224, 229, 230, 240, 245, 276, 280, 294, 322, 336, 345, 368, 392, 420, 458, 460, 480, 483, 490, 552, 560, 588, 644, 672, 687, 690, 735, 736, 784, 805, 840, 916, 920, 966, 980, 1104, 1120, 1127, 1145, 1176, 1288, 1374, 1380, 1470, 1568, 1603, 1610, 1680, 1832, 1840, 1932, 1960, 2208, 2254, 2290, 2352, 2415, 2576, 2748, 2760, 2940, 3206, 3220, 3360, 3381, 3435, 3664, 3680, 3864, 3920, 4508, 4580, 4704, 4809, 4830, 5152, 5267, 5496, 5520, 5635, 5880, 6412, 6440, 6762, 6870, 7328, 7728, 7840, 8015, 9016, 9160, 9618, 9660, 10534, 10992, 11040, 11221, 11270, 11760, 12824, 12880, 13524, 13740, 15456, 15801, 16030, 16905, 18032, 18320, 19236, 19320, 21068, 21984, 22442, 22540, 23520, 24045, 25648, 25760, 26335, 27048, 27480, 31602, 32060, 33663, 33810, 36064, 36640, 36869, 38472, 38640, 42136, 44884, 45080, 48090, 51296, 52670, 54096, 54960, 56105, 63204, 64120, 67326, 67620, 73738, 76944, 77280, 79005, 84272, 89768, 90160, 96180, 105340, 108192, 109920, 110607, 112210, 126408, 128240, 134652, 135240, 147476, 153888, 158010, 168315, 168544, 179536, 180320, 184345, 192360, 210680, 221214, 224420, 252816, 256480, 258083, 269304, 270480, 294952, 316020, 336630, 359072, 368690, 384720, 421360, 442428, 448840, 505632, 516166, 538608, 540960, 553035, 589904, 632040, 673260, 737380, 769440, 774249, 842720, 884856, 897680, 1032332, 1077216, 1106070, 1179808, 1264080, 1290415, 1346520, 1474760, 1548498, 1769712, 1795360, 2064664, 2212140, 2528160, 2580830, 2693040, 2949520, 3096996, 3539424, 3871245, 4129328, 4424280, 5161660, 5386080, 5899040, 6193992, 7742490, 8258656, 8848560, 10323320, 12387984, 15484980, 17697120, 20646640, 24775968, 30969960, 41293280, 61939920, 123879840]

約数ペア:

[(1, 123879840), (2, 61939920), (3, 41293280), (4, 30969960), (5, 24775968), (6, 20646640), (7, 17697120), (8, 15484980), (10, 12387984), (12, 10323320), (14, 8848560), (15, 8258656), (16, 7742490), (20, 6193992), (21, 5899040), (23, 5386080), (24, 5161660), (28, 4424280), (30, 4129328), (32, 3871245), (35, 3539424), (40, 3096996), (42, 2949520), (46, 2693040), (48, 2580830), (49, 2528160), (56, 2212140), (60, 2064664), (69, 1795360), (70, 1769712), (80, 1548498), (84, 1474760), (92, 1346520), (96, 1290415), (98, 1264080), (105, 1179808), (112, 1106070), (115, 1077216), (120, 1032332), (138, 897680), (140, 884856), (147, 842720), (160, 774249), (161, 769440), (168, 737380), (184, 673260), (196, 632040), (210, 589904), (224, 553035), (229, 540960), (230, 538608), (240, 516166), (245, 505632), (276, 448840), (280, 442428), (294, 421360), (322, 384720), (336, 368690), (345, 359072), (368, 336630), (392, 316020), (420, 294952), (458, 270480), (460, 269304), (480, 258083), (483, 256480), (490, 252816), (552, 224420), (560, 221214), (588, 210680), (644, 192360), (672, 184345), (687, 180320), (690, 179536), (735, 168544), (736, 168315), (784, 158010), (805, 153888), (840, 147476), (916, 135240), (920, 134652), (966, 128240), (980, 126408), (1104, 112210), (1120, 110607), (1127, 109920), (1145, 108192), (1176, 105340), (1288, 96180), (1374, 90160), (1380, 89768), (1470, 84272), (1568, 79005), (1603, 77280), (1610, 76944), (1680, 73738), (1832, 67620), (1840, 67326), (1932, 64120), (1960, 63204), (2208, 56105), (2254, 54960), (2290, 54096), (2352, 52670), (2415, 51296), (2576, 48090), (2748, 45080), (2760, 44884), (2940, 42136), (3206, 38640), (3220, 38472), (3360, 36869), (3381, 36640), (3435, 36064), (3664, 33810), (3680, 33663), (3864, 32060), (3920, 31602), (4508, 27480), (4580, 27048), (4704, 26335), (4809, 25760), (4830, 25648), (5152, 24045), (5267, 23520), (5496, 22540), (5520, 22442), (5635, 21984), (5880, 21068), (6412, 19320), (6440, 19236), (6762, 18320), (6870, 18032), (7328, 16905), (7728, 16030), (7840, 15801), (8015, 15456), (9016, 13740), (9160, 13524), (9618, 12880), (9660, 12824), (10534, 11760), (10992, 11270), (11040, 11221)]