18625734400

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31981}}^1$

素因数の和:32027

約数の個数: 216

約数和(自身を含む): 56742208544

約数和(自身を除く): 38116474144

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 128, 130, 140, 160, 175, 182, 200, 208, 224, 256, 260, 280, 320, 325, 350, 364, 400, 416, 448, 455, 520, 560, 640, 650, 700, 728, 800, 832, 896, 910, 1040, 1120, 1280, 1300, 1400, 1456, 1600, 1664, 1792, 1820, 2080, 2240, 2275, 2600, 2800, 2912, 3200, 3328, 3640, 4160, 4480, 4550, 5200, 5600, 5824, 6400, 7280, 8320, 8960, 9100, 10400, 11200, 11648, 14560, 16640, 18200, 20800, 22400, 23296, 29120, 31981, 36400, 41600, 44800, 58240, 63962, 72800, 83200, 116480, 127924, 145600, 159905, 223867, 255848, 291200, 319810, 415753, 447734, 511696, 582400, 639620, 799525, 831506, 895468, 1023392, 1119335, 1279240, 1599050, 1663012, 1790936, 2046784, 2078765, 2238670, 2558480, 2910271, 3198100, 3326024, 3581872, 4093568, 4157530, 4477340, 5116960, 5596675, 5820542, 6396200, 6652048, 7163744, 8187136, 8315060, 8954680, 10233920, 10393825, 11193350, 11641084, 12792400, 13304096, 14327488, 14551355, 16630120, 17909360, 20467840, 20787650, 22386700, 23282168, 25584800, 26608192, 28654976, 29102710, 33260240, 35818720, 40935680, 41575300, 44773400, 46564336, 51169600, 53216384, 57309952, 58205420, 66520480, 71637440, 72756775, 83150600, 89546800, 93128672, 102339200, 106432768, 116410840, 133040960, 143274880, 145513550, 166301200, 179093600, 186257344, 204678400, 232821680, 266081920, 286549760, 291027100, 332602400, 358187200, 372514688, 465643360, 532163840, 582054200, 665204800, 716374400, 745029376, 931286720, 1164108400, 1330409600, 1432748800, 1862573440, 2328216800, 2660819200, 3725146880, 4656433600, 9312867200, 18625734400]

約数ペア:

[(1, 18625734400), (2, 9312867200), (4, 4656433600), (5, 3725146880), (7, 2660819200), (8, 2328216800), (10, 1862573440), (13, 1432748800), (14, 1330409600), (16, 1164108400), (20, 931286720), (25, 745029376), (26, 716374400), (28, 665204800), (32, 582054200), (35, 532163840), (40, 465643360), (50, 372514688), (52, 358187200), (56, 332602400), (64, 291027100), (65, 286549760), (70, 266081920), (80, 232821680), (91, 204678400), (100, 186257344), (104, 179093600), (112, 166301200), (128, 145513550), (130, 143274880), (140, 133040960), (160, 116410840), (175, 106432768), (182, 102339200), (200, 93128672), (208, 89546800), (224, 83150600), (256, 72756775), (260, 71637440), (280, 66520480), (320, 58205420), (325, 57309952), (350, 53216384), (364, 51169600), (400, 46564336), (416, 44773400), (448, 41575300), (455, 40935680), (520, 35818720), (560, 33260240), (640, 29102710), (650, 28654976), (700, 26608192), (728, 25584800), (800, 23282168), (832, 22386700), (896, 20787650), (910, 20467840), (1040, 17909360), (1120, 16630120), (1280, 14551355), (1300, 14327488), (1400, 13304096), (1456, 12792400), (1600, 11641084), (1664, 11193350), (1792, 10393825), (1820, 10233920), (2080, 8954680), (2240, 8315060), (2275, 8187136), (2600, 7163744), (2800, 6652048), (2912, 6396200), (3200, 5820542), (3328, 5596675), (3640, 5116960), (4160, 4477340), (4480, 4157530), (4550, 4093568), (5200, 3581872), (5600, 3326024), (5824, 3198100), (6400, 2910271), (7280, 2558480), (8320, 2238670), (8960, 2078765), (9100, 2046784), (10400, 1790936), (11200, 1663012), (11648, 1599050), (14560, 1279240), (16640, 1119335), (18200, 1023392), (20800, 895468), (22400, 831506), (23296, 799525), (29120, 639620), (31981, 582400), (36400, 511696), (41600, 447734), (44800, 415753), (58240, 319810), (63962, 291200), (72800, 255848), (83200, 223867), (116480, 159905), (127924, 145600)]