309920640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 256

約数和(自身を含む): 1052835840

約数和(自身を除く): 742915200

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, 127, 128, 155, 160, 164, 186, 192, 205, 240, 246, 248, 254, 310, 320, 328, 372, 381, 384, 410, 465, 480, 492, 496, 508, 615, 620, 635, 640, 656, 744, 762, 820, 930, 960, 984, 992, 1016, 1230, 1240, 1270, 1271, 1312, 1488, 1524, 1640, 1860, 1905, 1920, 1968, 1984, 2032, 2460, 2480, 2540, 2542, 2624, 2976, 3048, 3280, 3720, 3810, 3813, 3936, 3937, 3968, 4064, 4920, 4960, 5080, 5084, 5207, 5248, 5952, 6096, 6355, 6560, 7440, 7620, 7626, 7872, 7874, 8128, 9840, 9920, 10160, 10168, 10414, 11811, 11904, 12192, 12710, 13120, 14880, 15240, 15252, 15621, 15744, 15748, 16256, 19065, 19680, 19685, 19840, 20320, 20336, 20828, 23622, 24384, 25420, 26035, 26240, 29760, 30480, 30504, 31242, 31496, 38130, 39360, 39370, 40640, 40672, 41656, 47244, 48768, 50840, 52070, 59055, 59520, 60960, 61008, 62484, 62992, 76260, 78105, 78720, 78740, 81280, 81344, 83312, 94488, 101680, 104140, 118110, 121920, 122016, 124968, 125984, 152520, 156210, 157480, 161417, 162688, 166624, 188976, 203360, 208280, 236220, 243840, 244032, 249936, 251968, 305040, 312420, 314960, 322834, 333248, 377952, 406720, 416560, 472440, 484251, 488064, 499872, 503936, 610080, 624840, 629920, 645668, 666496, 755904, 807085, 813440, 833120, 944880, 968502, 999744, 1220160, 1249680, 1259840, 1291336, 1511808, 1614170, 1666240, 1889760, 1937004, 1999488, 2421255, 2440320, 2499360, 2519680, 2582672, 3228340, 3332480, 3779520, 3874008, 4842510, 4998720, 5165344, 6456680, 7559040, 7748016, 9685020, 9997440, 10330688, 12913360, 15496032, 19370040, 20661376, 25826720, 30992064, 38740080, 51653440, 61984128, 77480160, 103306880, 154960320, 309920640]

約数ペア:

[(1, 309920640), (2, 154960320), (3, 103306880), (4, 77480160), (5, 61984128), (6, 51653440), (8, 38740080), (10, 30992064), (12, 25826720), (15, 20661376), (16, 19370040), (20, 15496032), (24, 12913360), (30, 10330688), (31, 9997440), (32, 9685020), (40, 7748016), (41, 7559040), (48, 6456680), (60, 5165344), (62, 4998720), (64, 4842510), (80, 3874008), (82, 3779520), (93, 3332480), (96, 3228340), (120, 2582672), (123, 2519680), (124, 2499360), (127, 2440320), (128, 2421255), (155, 1999488), (160, 1937004), (164, 1889760), (186, 1666240), (192, 1614170), (205, 1511808), (240, 1291336), (246, 1259840), (248, 1249680), (254, 1220160), (310, 999744), (320, 968502), (328, 944880), (372, 833120), (381, 813440), (384, 807085), (410, 755904), (465, 666496), (480, 645668), (492, 629920), (496, 624840), (508, 610080), (615, 503936), (620, 499872), (635, 488064), (640, 484251), (656, 472440), (744, 416560), (762, 406720), (820, 377952), (930, 333248), (960, 322834), (984, 314960), (992, 312420), (1016, 305040), (1230, 251968), (1240, 249936), (1270, 244032), (1271, 243840), (1312, 236220), (1488, 208280), (1524, 203360), (1640, 188976), (1860, 166624), (1905, 162688), (1920, 161417), (1968, 157480), (1984, 156210), (2032, 152520), (2460, 125984), (2480, 124968), (2540, 122016), (2542, 121920), (2624, 118110), (2976, 104140), (3048, 101680), (3280, 94488), (3720, 83312), (3810, 81344), (3813, 81280), (3936, 78740), (3937, 78720), (3968, 78105), (4064, 76260), (4920, 62992), (4960, 62484), (5080, 61008), (5084, 60960), (5207, 59520), (5248, 59055), (5952, 52070), (6096, 50840), (6355, 48768), (6560, 47244), (7440, 41656), (7620, 40672), (7626, 40640), (7872, 39370), (7874, 39360), (8128, 38130), (9840, 31496), (9920, 31242), (10160, 30504), (10168, 30480), (10414, 29760), (11811, 26240), (11904, 26035), (12192, 25420), (12710, 24384), (13120, 23622), (14880, 20828), (15240, 20336), (15252, 20320), (15621, 19840), (15744, 19685), (15748, 19680), (16256, 19065)]