245696640

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:311

約数の個数: 256

約数和(自身を含む): 908893440

約数和(自身を除く): 663196800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 101, 105, 112, 120, 128, 140, 160, 168, 181, 192, 202, 210, 224, 240, 280, 303, 320, 336, 362, 384, 404, 420, 448, 480, 505, 543, 560, 606, 640, 672, 707, 724, 808, 840, 896, 905, 960, 1010, 1086, 1120, 1212, 1267, 1344, 1414, 1448, 1515, 1616, 1680, 1810, 1920, 2020, 2121, 2172, 2240, 2424, 2534, 2688, 2715, 2828, 2896, 3030, 3232, 3360, 3535, 3620, 3801, 4040, 4242, 4344, 4480, 4848, 5068, 5430, 5656, 5792, 6060, 6335, 6464, 6720, 7070, 7240, 7602, 8080, 8484, 8688, 9696, 10136, 10605, 10860, 11312, 11584, 12120, 12670, 12928, 13440, 14140, 14480, 15204, 16160, 16968, 17376, 18281, 19005, 19392, 20272, 21210, 21720, 22624, 23168, 24240, 25340, 28280, 28960, 30408, 32320, 33936, 34752, 36562, 38010, 38784, 40544, 42420, 43440, 45248, 48480, 50680, 54843, 56560, 57920, 60816, 64640, 67872, 69504, 73124, 76020, 81088, 84840, 86880, 90496, 91405, 96960, 101360, 109686, 113120, 115840, 121632, 127967, 135744, 146248, 152040, 162176, 169680, 173760, 182810, 193920, 202720, 219372, 226240, 243264, 255934, 271488, 274215, 292496, 304080, 339360, 347520, 365620, 383901, 405440, 438744, 452480, 486528, 511868, 548430, 584992, 608160, 639835, 678720, 731240, 767802, 810880, 877488, 1023736, 1096860, 1169984, 1216320, 1279670, 1357440, 1462480, 1535604, 1754976, 1919505, 2047472, 2193720, 2339968, 2432640, 2559340, 2924960, 3071208, 3509952, 3839010, 4094944, 4387440, 5118680, 5849920, 6142416, 7019904, 7678020, 8189888, 8774880, 10237360, 11699840, 12284832, 15356040, 16379776, 17549760, 20474720, 24569664, 30712080, 35099520, 40949440, 49139328, 61424160, 81898880, 122848320, 245696640]

約数ペア:

[(1, 245696640), (2, 122848320), (3, 81898880), (4, 61424160), (5, 49139328), (6, 40949440), (7, 35099520), (8, 30712080), (10, 24569664), (12, 20474720), (14, 17549760), (15, 16379776), (16, 15356040), (20, 12284832), (21, 11699840), (24, 10237360), (28, 8774880), (30, 8189888), (32, 7678020), (35, 7019904), (40, 6142416), (42, 5849920), (48, 5118680), (56, 4387440), (60, 4094944), (64, 3839010), (70, 3509952), (80, 3071208), (84, 2924960), (96, 2559340), (101, 2432640), (105, 2339968), (112, 2193720), (120, 2047472), (128, 1919505), (140, 1754976), (160, 1535604), (168, 1462480), (181, 1357440), (192, 1279670), (202, 1216320), (210, 1169984), (224, 1096860), (240, 1023736), (280, 877488), (303, 810880), (320, 767802), (336, 731240), (362, 678720), (384, 639835), (404, 608160), (420, 584992), (448, 548430), (480, 511868), (505, 486528), (543, 452480), (560, 438744), (606, 405440), (640, 383901), (672, 365620), (707, 347520), (724, 339360), (808, 304080), (840, 292496), (896, 274215), (905, 271488), (960, 255934), (1010, 243264), (1086, 226240), (1120, 219372), (1212, 202720), (1267, 193920), (1344, 182810), (1414, 173760), (1448, 169680), (1515, 162176), (1616, 152040), (1680, 146248), (1810, 135744), (1920, 127967), (2020, 121632), (2121, 115840), (2172, 113120), (2240, 109686), (2424, 101360), (2534, 96960), (2688, 91405), (2715, 90496), (2828, 86880), (2896, 84840), (3030, 81088), (3232, 76020), (3360, 73124), (3535, 69504), (3620, 67872), (3801, 64640), (4040, 60816), (4242, 57920), (4344, 56560), (4480, 54843), (4848, 50680), (5068, 48480), (5430, 45248), (5656, 43440), (5792, 42420), (6060, 40544), (6335, 38784), (6464, 38010), (6720, 36562), (7070, 34752), (7240, 33936), (7602, 32320), (8080, 30408), (8484, 28960), (8688, 28280), (9696, 25340), (10136, 24240), (10605, 23168), (10860, 22624), (11312, 21720), (11584, 21210), (12120, 20272), (12670, 19392), (12928, 19005), (13440, 18281), (14140, 17376), (14480, 16968), (15204, 16160)]