161969220

素因数分解:

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

素因数の和:83

約数の個数: 288

約数和(自身を含む): 609450240

約数和(自身を除く): 447481020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 63, 69, 70, 81, 84, 90, 92, 105, 108, 115, 126, 135, 138, 140, 161, 162, 180, 189, 207, 210, 230, 243, 252, 270, 276, 315, 322, 324, 345, 378, 405, 414, 420, 460, 483, 486, 529, 540, 567, 621, 630, 644, 690, 729, 756, 805, 810, 828, 945, 966, 972, 1035, 1058, 1134, 1215, 1242, 1260, 1380, 1449, 1458, 1587, 1610, 1620, 1701, 1863, 1890, 1932, 2070, 2116, 2187, 2268, 2415, 2430, 2484, 2645, 2835, 2898, 2916, 3105, 3174, 3220, 3402, 3645, 3703, 3726, 3780, 4140, 4347, 4374, 4761, 4830, 4860, 5103, 5290, 5589, 5670, 5796, 6210, 6348, 6804, 7245, 7290, 7406, 7452, 7935, 8505, 8694, 8748, 9315, 9522, 9660, 10206, 10580, 10935, 11109, 11178, 11340, 12420, 13041, 14283, 14490, 14580, 14812, 15309, 15870, 16767, 17010, 17388, 18515, 18630, 19044, 20412, 21735, 21870, 22218, 22356, 23805, 25515, 26082, 27945, 28566, 28980, 30618, 31740, 33327, 33534, 34020, 37030, 37260, 39123, 42849, 43470, 43740, 44436, 47610, 50301, 51030, 52164, 55545, 55890, 57132, 61236, 65205, 66654, 67068, 71415, 74060, 76545, 78246, 83835, 85698, 86940, 95220, 99981, 100602, 102060, 111090, 111780, 117369, 128547, 130410, 133308, 142830, 153090, 156492, 166635, 167670, 171396, 195615, 199962, 201204, 214245, 222180, 234738, 251505, 257094, 260820, 285660, 299943, 306180, 333270, 335340, 352107, 385641, 391230, 399924, 428490, 469476, 499905, 503010, 514188, 586845, 599886, 642735, 666540, 704214, 771282, 782460, 856980, 899829, 999810, 1006020, 1156923, 1173690, 1199772, 1285470, 1408428, 1499715, 1542564, 1760535, 1799658, 1928205, 1999620, 2313846, 2347380, 2570940, 2699487, 2999430, 3521070, 3599316, 3856410, 4499145, 4627692, 5398974, 5784615, 5998860, 7042140, 7712820, 8098461, 8998290, 10797948, 11569230, 13497435, 16196922, 17996580, 23138460, 26994870, 32393844, 40492305, 53989740, 80984610, 161969220]

約数ペア:

[(1, 161969220), (2, 80984610), (3, 53989740), (4, 40492305), (5, 32393844), (6, 26994870), (7, 23138460), (9, 17996580), (10, 16196922), (12, 13497435), (14, 11569230), (15, 10797948), (18, 8998290), (20, 8098461), (21, 7712820), (23, 7042140), (27, 5998860), (28, 5784615), (30, 5398974), (35, 4627692), (36, 4499145), (42, 3856410), (45, 3599316), (46, 3521070), (54, 2999430), (60, 2699487), (63, 2570940), (69, 2347380), (70, 2313846), (81, 1999620), (84, 1928205), (90, 1799658), (92, 1760535), (105, 1542564), (108, 1499715), (115, 1408428), (126, 1285470), (135, 1199772), (138, 1173690), (140, 1156923), (161, 1006020), (162, 999810), (180, 899829), (189, 856980), (207, 782460), (210, 771282), (230, 704214), (243, 666540), (252, 642735), (270, 599886), (276, 586845), (315, 514188), (322, 503010), (324, 499905), (345, 469476), (378, 428490), (405, 399924), (414, 391230), (420, 385641), (460, 352107), (483, 335340), (486, 333270), (529, 306180), (540, 299943), (567, 285660), (621, 260820), (630, 257094), (644, 251505), (690, 234738), (729, 222180), (756, 214245), (805, 201204), (810, 199962), (828, 195615), (945, 171396), (966, 167670), (972, 166635), (1035, 156492), (1058, 153090), (1134, 142830), (1215, 133308), (1242, 130410), (1260, 128547), (1380, 117369), (1449, 111780), (1458, 111090), (1587, 102060), (1610, 100602), (1620, 99981), (1701, 95220), (1863, 86940), (1890, 85698), (1932, 83835), (2070, 78246), (2116, 76545), (2187, 74060), (2268, 71415), (2415, 67068), (2430, 66654), (2484, 65205), (2645, 61236), (2835, 57132), (2898, 55890), (2916, 55545), (3105, 52164), (3174, 51030), (3220, 50301), (3402, 47610), (3645, 44436), (3703, 43740), (3726, 43470), (3780, 42849), (4140, 39123), (4347, 37260), (4374, 37030), (4761, 34020), (4830, 33534), (4860, 33327), (5103, 31740), (5290, 30618), (5589, 28980), (5670, 28566), (5796, 27945), (6210, 26082), (6348, 25515), (6804, 23805), (7245, 22356), (7290, 22218), (7406, 21870), (7452, 21735), (7935, 20412), (8505, 19044), (8694, 18630), (8748, 18515), (9315, 17388), (9522, 17010), (9660, 16767), (10206, 15870), (10580, 15309), (10935, 14812), (11109, 14580), (11178, 14490), (11340, 14283), (12420, 13041)]