68821920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:292

約数の個数: 192

約数和(自身を含む): 244944000

約数和(自身を除く): 176122080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 89, 90, 96, 108, 120, 135, 144, 160, 178, 179, 180, 216, 240, 267, 270, 288, 356, 358, 360, 432, 445, 480, 534, 537, 540, 712, 716, 720, 801, 864, 890, 895, 1068, 1074, 1080, 1335, 1424, 1432, 1440, 1602, 1611, 1780, 1790, 2136, 2148, 2160, 2403, 2670, 2685, 2848, 2864, 3204, 3222, 3560, 3580, 4005, 4272, 4296, 4320, 4806, 4833, 5340, 5370, 5728, 6408, 6444, 7120, 7160, 8010, 8055, 8544, 8592, 9612, 9666, 10680, 10740, 12015, 12816, 12888, 14240, 14320, 15931, 16020, 16110, 17184, 19224, 19332, 21360, 21480, 24030, 24165, 25632, 25776, 28640, 31862, 32040, 32220, 38448, 38664, 42720, 42960, 47793, 48060, 48330, 51552, 63724, 64080, 64440, 76896, 77328, 79655, 85920, 95586, 96120, 96660, 127448, 128160, 128880, 143379, 154656, 159310, 191172, 192240, 193320, 238965, 254896, 257760, 286758, 318620, 382344, 384480, 386640, 430137, 477930, 509792, 573516, 637240, 716895, 764688, 773280, 860274, 955860, 1147032, 1274480, 1433790, 1529376, 1720548, 1911720, 2150685, 2294064, 2548960, 2867580, 3441096, 3823440, 4301370, 4588128, 5735160, 6882192, 7646880, 8602740, 11470320, 13764384, 17205480, 22940640, 34410960, 68821920]

約数ペア:

[(1, 68821920), (2, 34410960), (3, 22940640), (4, 17205480), (5, 13764384), (6, 11470320), (8, 8602740), (9, 7646880), (10, 6882192), (12, 5735160), (15, 4588128), (16, 4301370), (18, 3823440), (20, 3441096), (24, 2867580), (27, 2548960), (30, 2294064), (32, 2150685), (36, 1911720), (40, 1720548), (45, 1529376), (48, 1433790), (54, 1274480), (60, 1147032), (72, 955860), (80, 860274), (89, 773280), (90, 764688), (96, 716895), (108, 637240), (120, 573516), (135, 509792), (144, 477930), (160, 430137), (178, 386640), (179, 384480), (180, 382344), (216, 318620), (240, 286758), (267, 257760), (270, 254896), (288, 238965), (356, 193320), (358, 192240), (360, 191172), (432, 159310), (445, 154656), (480, 143379), (534, 128880), (537, 128160), (540, 127448), (712, 96660), (716, 96120), (720, 95586), (801, 85920), (864, 79655), (890, 77328), (895, 76896), (1068, 64440), (1074, 64080), (1080, 63724), (1335, 51552), (1424, 48330), (1432, 48060), (1440, 47793), (1602, 42960), (1611, 42720), (1780, 38664), (1790, 38448), (2136, 32220), (2148, 32040), (2160, 31862), (2403, 28640), (2670, 25776), (2685, 25632), (2848, 24165), (2864, 24030), (3204, 21480), (3222, 21360), (3560, 19332), (3580, 19224), (4005, 17184), (4272, 16110), (4296, 16020), (4320, 15931), (4806, 14320), (4833, 14240), (5340, 12888), (5370, 12816), (5728, 12015), (6408, 10740), (6444, 10680), (7120, 9666), (7160, 9612), (8010, 8592), (8055, 8544)]