65855160

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:339

約数の個数: 256

約数和(自身を含む): 259891200

約数和(自身を除く): 194036040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 281, 310, 315, 360, 372, 378, 420, 434, 465, 504, 540, 558, 562, 620, 630, 651, 744, 756, 837, 840, 843, 868, 930, 945, 1080, 1085, 1116, 1124, 1240, 1260, 1302, 1395, 1405, 1512, 1674, 1686, 1736, 1860, 1890, 1953, 1967, 2170, 2232, 2248, 2520, 2529, 2604, 2790, 2810, 3255, 3348, 3372, 3720, 3780, 3906, 3934, 4185, 4215, 4340, 5058, 5208, 5580, 5620, 5859, 5901, 6510, 6696, 6744, 7560, 7587, 7812, 7868, 8370, 8430, 8680, 8711, 9765, 9835, 10116, 11160, 11240, 11718, 11802, 12645, 13020, 15174, 15624, 15736, 16740, 16860, 17422, 17703, 19530, 19670, 20232, 23436, 23604, 25290, 26040, 26133, 29295, 29505, 30348, 33480, 33720, 34844, 35406, 37935, 39060, 39340, 43555, 46872, 47208, 50580, 52266, 53109, 58590, 59010, 60696, 60977, 69688, 70812, 75870, 78120, 78399, 78680, 87110, 88515, 101160, 104532, 106218, 117180, 118020, 121954, 130665, 141624, 151740, 156798, 174220, 177030, 182931, 209064, 212436, 234360, 235197, 236040, 243908, 261330, 265545, 303480, 304885, 313596, 348440, 354060, 365862, 391995, 424872, 470394, 487816, 522660, 531090, 548793, 609770, 627192, 708120, 731724, 783990, 914655, 940788, 1045320, 1062180, 1097586, 1175985, 1219540, 1463448, 1567980, 1646379, 1829310, 1881576, 2124360, 2195172, 2351970, 2439080, 2743965, 3135960, 3292758, 3658620, 4390344, 4703940, 5487930, 6585516, 7317240, 8231895, 9407880, 10975860, 13171032, 16463790, 21951720, 32927580, 65855160]

約数ペア:

[(1, 65855160), (2, 32927580), (3, 21951720), (4, 16463790), (5, 13171032), (6, 10975860), (7, 9407880), (8, 8231895), (9, 7317240), (10, 6585516), (12, 5487930), (14, 4703940), (15, 4390344), (18, 3658620), (20, 3292758), (21, 3135960), (24, 2743965), (27, 2439080), (28, 2351970), (30, 2195172), (31, 2124360), (35, 1881576), (36, 1829310), (40, 1646379), (42, 1567980), (45, 1463448), (54, 1219540), (56, 1175985), (60, 1097586), (62, 1062180), (63, 1045320), (70, 940788), (72, 914655), (84, 783990), (90, 731724), (93, 708120), (105, 627192), (108, 609770), (120, 548793), (124, 531090), (126, 522660), (135, 487816), (140, 470394), (155, 424872), (168, 391995), (180, 365862), (186, 354060), (189, 348440), (210, 313596), (216, 304885), (217, 303480), (248, 265545), (252, 261330), (270, 243908), (279, 236040), (280, 235197), (281, 234360), (310, 212436), (315, 209064), (360, 182931), (372, 177030), (378, 174220), (420, 156798), (434, 151740), (465, 141624), (504, 130665), (540, 121954), (558, 118020), (562, 117180), (620, 106218), (630, 104532), (651, 101160), (744, 88515), (756, 87110), (837, 78680), (840, 78399), (843, 78120), (868, 75870), (930, 70812), (945, 69688), (1080, 60977), (1085, 60696), (1116, 59010), (1124, 58590), (1240, 53109), (1260, 52266), (1302, 50580), (1395, 47208), (1405, 46872), (1512, 43555), (1674, 39340), (1686, 39060), (1736, 37935), (1860, 35406), (1890, 34844), (1953, 33720), (1967, 33480), (2170, 30348), (2232, 29505), (2248, 29295), (2520, 26133), (2529, 26040), (2604, 25290), (2790, 23604), (2810, 23436), (3255, 20232), (3348, 19670), (3372, 19530), (3720, 17703), (3780, 17422), (3906, 16860), (3934, 16740), (4185, 15736), (4215, 15624), (4340, 15174), (5058, 13020), (5208, 12645), (5580, 11802), (5620, 11718), (5859, 11240), (5901, 11160), (6510, 10116), (6696, 9835), (6744, 9765), (7560, 8711), (7587, 8680), (7812, 8430), (7868, 8370)]