71388720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:324

約数の個数: 240

約数和(自身を含む): 268107840

約数和(自身を除く): 196719120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 29, 30, 36, 39, 40, 45, 48, 52, 58, 60, 65, 72, 78, 80, 87, 90, 104, 116, 117, 120, 130, 144, 145, 156, 174, 180, 195, 208, 232, 234, 240, 260, 261, 263, 290, 312, 348, 360, 377, 390, 435, 464, 468, 520, 522, 526, 580, 585, 624, 696, 720, 754, 780, 789, 870, 936, 1040, 1044, 1052, 1131, 1160, 1170, 1305, 1315, 1392, 1508, 1560, 1578, 1740, 1872, 1885, 2088, 2104, 2262, 2320, 2340, 2367, 2610, 2630, 3016, 3120, 3156, 3393, 3419, 3480, 3770, 3945, 4176, 4208, 4524, 4680, 4734, 5220, 5260, 5655, 6032, 6312, 6786, 6838, 6960, 7540, 7627, 7890, 9048, 9360, 9468, 10257, 10440, 10520, 11310, 11835, 12624, 13572, 13676, 15080, 15254, 15780, 16965, 17095, 18096, 18936, 20514, 20880, 21040, 22620, 22881, 23670, 27144, 27352, 30160, 30508, 30771, 31560, 33930, 34190, 37872, 38135, 41028, 45240, 45762, 47340, 51285, 54288, 54704, 61016, 61542, 63120, 67860, 68380, 68643, 76270, 82056, 90480, 91524, 94680, 99151, 102570, 114405, 122032, 123084, 135720, 136760, 137286, 152540, 153855, 164112, 183048, 189360, 198302, 205140, 228810, 246168, 271440, 273520, 274572, 297453, 305080, 307710, 343215, 366096, 396604, 410280, 457620, 492336, 495755, 549144, 594906, 610160, 615420, 686430, 793208, 820560, 892359, 915240, 991510, 1098288, 1189812, 1230840, 1372860, 1487265, 1586416, 1784718, 1830480, 1983020, 2379624, 2461680, 2745720, 2974530, 3569436, 3966040, 4461795, 4759248, 5491440, 5949060, 7138872, 7932080, 8923590, 11898120, 14277744, 17847180, 23796240, 35694360, 71388720]

約数ペア:

[(1, 71388720), (2, 35694360), (3, 23796240), (4, 17847180), (5, 14277744), (6, 11898120), (8, 8923590), (9, 7932080), (10, 7138872), (12, 5949060), (13, 5491440), (15, 4759248), (16, 4461795), (18, 3966040), (20, 3569436), (24, 2974530), (26, 2745720), (29, 2461680), (30, 2379624), (36, 1983020), (39, 1830480), (40, 1784718), (45, 1586416), (48, 1487265), (52, 1372860), (58, 1230840), (60, 1189812), (65, 1098288), (72, 991510), (78, 915240), (80, 892359), (87, 820560), (90, 793208), (104, 686430), (116, 615420), (117, 610160), (120, 594906), (130, 549144), (144, 495755), (145, 492336), (156, 457620), (174, 410280), (180, 396604), (195, 366096), (208, 343215), (232, 307710), (234, 305080), (240, 297453), (260, 274572), (261, 273520), (263, 271440), (290, 246168), (312, 228810), (348, 205140), (360, 198302), (377, 189360), (390, 183048), (435, 164112), (464, 153855), (468, 152540), (520, 137286), (522, 136760), (526, 135720), (580, 123084), (585, 122032), (624, 114405), (696, 102570), (720, 99151), (754, 94680), (780, 91524), (789, 90480), (870, 82056), (936, 76270), (1040, 68643), (1044, 68380), (1052, 67860), (1131, 63120), (1160, 61542), (1170, 61016), (1305, 54704), (1315, 54288), (1392, 51285), (1508, 47340), (1560, 45762), (1578, 45240), (1740, 41028), (1872, 38135), (1885, 37872), (2088, 34190), (2104, 33930), (2262, 31560), (2320, 30771), (2340, 30508), (2367, 30160), (2610, 27352), (2630, 27144), (3016, 23670), (3120, 22881), (3156, 22620), (3393, 21040), (3419, 20880), (3480, 20514), (3770, 18936), (3945, 18096), (4176, 17095), (4208, 16965), (4524, 15780), (4680, 15254), (4734, 15080), (5220, 13676), (5260, 13572), (5655, 12624), (6032, 11835), (6312, 11310), (6786, 10520), (6838, 10440), (6960, 10257), (7540, 9468), (7627, 9360), (7890, 9048)]