1820478720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:469

約数の個数: 288

約数和(自身を含む): 6164573184

約数和(自身を除く): 4344094464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 41, 48, 60, 62, 64, 80, 82, 93, 96, 120, 123, 124, 128, 155, 160, 164, 186, 192, 205, 240, 246, 248, 256, 310, 320, 328, 372, 373, 384, 410, 465, 480, 492, 496, 615, 620, 640, 656, 744, 746, 768, 820, 930, 960, 984, 992, 1119, 1230, 1240, 1271, 1280, 1312, 1488, 1492, 1640, 1860, 1865, 1920, 1968, 1984, 2238, 2460, 2480, 2542, 2624, 2976, 2984, 3280, 3720, 3730, 3813, 3840, 3936, 3968, 4476, 4920, 4960, 5084, 5248, 5595, 5952, 5968, 6355, 6560, 7440, 7460, 7626, 7872, 7936, 8952, 9840, 9920, 10168, 10496, 11190, 11563, 11904, 11936, 12710, 13120, 14880, 14920, 15252, 15293, 15744, 17904, 19065, 19680, 19840, 20336, 22380, 23126, 23808, 23872, 25420, 26240, 29760, 29840, 30504, 30586, 31488, 34689, 35808, 38130, 39360, 39680, 40672, 44760, 45879, 46252, 47744, 50840, 52480, 57815, 59520, 59680, 61008, 61172, 69378, 71616, 76260, 76465, 78720, 81344, 89520, 91758, 92504, 95488, 101680, 115630, 119040, 119360, 122016, 122344, 138756, 143232, 152520, 152930, 157440, 162688, 173445, 179040, 183516, 185008, 203360, 229395, 231260, 238720, 244032, 244688, 277512, 286464, 305040, 305860, 325376, 346890, 358080, 367032, 370016, 406720, 458790, 462520, 474083, 477440, 488064, 489376, 555024, 610080, 611720, 693780, 716160, 734064, 740032, 813440, 917580, 925040, 948166, 976128, 978752, 1110048, 1220160, 1223440, 1387560, 1422249, 1432320, 1468128, 1480064, 1626880, 1835160, 1850080, 1896332, 1957504, 2220096, 2370415, 2440320, 2446880, 2775120, 2844498, 2936256, 2960128, 3670320, 3700160, 3792664, 3915008, 4440192, 4740830, 4880640, 4893760, 5550240, 5688996, 5872512, 7111245, 7340640, 7400320, 7585328, 8880384, 9481660, 9787520, 11100480, 11377992, 11745024, 14222490, 14681280, 14800640, 15170656, 18963320, 19575040, 22200960, 22755984, 28444980, 29362560, 30341312, 37926640, 44401920, 45511968, 56889960, 58725120, 60682624, 75853280, 91023936, 113779920, 121365248, 151706560, 182047872, 227559840, 303413120, 364095744, 455119680, 606826240, 910239360, 1820478720]

約数ペア:

[(1, 1820478720), (2, 910239360), (3, 606826240), (4, 455119680), (5, 364095744), (6, 303413120), (8, 227559840), (10, 182047872), (12, 151706560), (15, 121365248), (16, 113779920), (20, 91023936), (24, 75853280), (30, 60682624), (31, 58725120), (32, 56889960), (40, 45511968), (41, 44401920), (48, 37926640), (60, 30341312), (62, 29362560), (64, 28444980), (80, 22755984), (82, 22200960), (93, 19575040), (96, 18963320), (120, 15170656), (123, 14800640), (124, 14681280), (128, 14222490), (155, 11745024), (160, 11377992), (164, 11100480), (186, 9787520), (192, 9481660), (205, 8880384), (240, 7585328), (246, 7400320), (248, 7340640), (256, 7111245), (310, 5872512), (320, 5688996), (328, 5550240), (372, 4893760), (373, 4880640), (384, 4740830), (410, 4440192), (465, 3915008), (480, 3792664), (492, 3700160), (496, 3670320), (615, 2960128), (620, 2936256), (640, 2844498), (656, 2775120), (744, 2446880), (746, 2440320), (768, 2370415), (820, 2220096), (930, 1957504), (960, 1896332), (984, 1850080), (992, 1835160), (1119, 1626880), (1230, 1480064), (1240, 1468128), (1271, 1432320), (1280, 1422249), (1312, 1387560), (1488, 1223440), (1492, 1220160), (1640, 1110048), (1860, 978752), (1865, 976128), (1920, 948166), (1968, 925040), (1984, 917580), (2238, 813440), (2460, 740032), (2480, 734064), (2542, 716160), (2624, 693780), (2976, 611720), (2984, 610080), (3280, 555024), (3720, 489376), (3730, 488064), (3813, 477440), (3840, 474083), (3936, 462520), (3968, 458790), (4476, 406720), (4920, 370016), (4960, 367032), (5084, 358080), (5248, 346890), (5595, 325376), (5952, 305860), (5968, 305040), (6355, 286464), (6560, 277512), (7440, 244688), (7460, 244032), (7626, 238720), (7872, 231260), (7936, 229395), (8952, 203360), (9840, 185008), (9920, 183516), (10168, 179040), (10496, 173445), (11190, 162688), (11563, 157440), (11904, 152930), (11936, 152520), (12710, 143232), (13120, 138756), (14880, 122344), (14920, 122016), (15252, 119360), (15293, 119040), (15744, 115630), (17904, 101680), (19065, 95488), (19680, 92504), (19840, 91758), (20336, 89520), (22380, 81344), (23126, 78720), (23808, 76465), (23872, 76260), (25420, 71616), (26240, 69378), (29760, 61172), (29840, 61008), (30504, 59680), (30586, 59520), (31488, 57815), (34689, 52480), (35808, 50840), (38130, 47744), (39360, 46252), (39680, 45879), (40672, 44760)]