19691312640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{863}}^1\times {\mathrm{2971}}^1$

素因数の和:3860

約数の個数: 160

約数和(自身を含む): 63044822016

約数和(自身を除く): 43353509376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 863, 960, 1280, 1536, 1726, 1920, 2560, 2589, 2971, 3452, 3840, 4315, 5178, 5942, 6904, 7680, 8630, 8913, 10356, 11884, 12945, 13808, 14855, 17260, 17826, 20712, 23768, 25890, 27616, 29710, 34520, 35652, 41424, 44565, 47536, 51780, 55232, 59420, 69040, 71304, 82848, 89130, 95072, 103560, 110464, 118840, 138080, 142608, 165696, 178260, 190144, 207120, 220928, 237680, 276160, 285216, 331392, 356520, 380288, 414240, 441856, 475360, 552320, 570432, 662784, 713040, 760576, 828480, 950720, 1104640, 1140864, 1325568, 1426080, 1521152, 1656960, 1901440, 2209280, 2281728, 2563973, 2852160, 3313920, 3802880, 4563456, 5127946, 5704320, 6627840, 7605760, 7691919, 10255892, 11408640, 12819865, 15383838, 20511784, 22817280, 25639730, 30767676, 38459595, 41023568, 51279460, 61535352, 76919190, 82047136, 102558920, 123070704, 153838380, 164094272, 205117840, 246141408, 307676760, 328188544, 410235680, 492282816, 615353520, 656377088, 820471360, 984565632, 1230707040, 1312754176, 1640942720, 1969131264, 2461414080, 3281885440, 3938262528, 4922828160, 6563770880, 9845656320, 19691312640]

約数ペア:

[(1, 19691312640), (2, 9845656320), (3, 6563770880), (4, 4922828160), (5, 3938262528), (6, 3281885440), (8, 2461414080), (10, 1969131264), (12, 1640942720), (15, 1312754176), (16, 1230707040), (20, 984565632), (24, 820471360), (30, 656377088), (32, 615353520), (40, 492282816), (48, 410235680), (60, 328188544), (64, 307676760), (80, 246141408), (96, 205117840), (120, 164094272), (128, 153838380), (160, 123070704), (192, 102558920), (240, 82047136), (256, 76919190), (320, 61535352), (384, 51279460), (480, 41023568), (512, 38459595), (640, 30767676), (768, 25639730), (863, 22817280), (960, 20511784), (1280, 15383838), (1536, 12819865), (1726, 11408640), (1920, 10255892), (2560, 7691919), (2589, 7605760), (2971, 6627840), (3452, 5704320), (3840, 5127946), (4315, 4563456), (5178, 3802880), (5942, 3313920), (6904, 2852160), (7680, 2563973), (8630, 2281728), (8913, 2209280), (10356, 1901440), (11884, 1656960), (12945, 1521152), (13808, 1426080), (14855, 1325568), (17260, 1140864), (17826, 1104640), (20712, 950720), (23768, 828480), (25890, 760576), (27616, 713040), (29710, 662784), (34520, 570432), (35652, 552320), (41424, 475360), (44565, 441856), (47536, 414240), (51780, 380288), (55232, 356520), (59420, 331392), (69040, 285216), (71304, 276160), (82848, 237680), (89130, 220928), (95072, 207120), (103560, 190144), (110464, 178260), (118840, 165696), (138080, 142608)]