20757600

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{31}}^2$

素因数の和:91

約数の個数: 216

約数和(自身を含む): 77573160

約数和(自身を除く): 56815560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 31, 32, 36, 40, 45, 48, 50, 54, 60, 62, 72, 75, 80, 90, 93, 96, 100, 108, 120, 124, 135, 144, 150, 155, 160, 180, 186, 200, 216, 225, 240, 248, 270, 279, 288, 300, 310, 360, 372, 400, 432, 450, 465, 480, 496, 540, 558, 600, 620, 675, 720, 744, 775, 800, 837, 864, 900, 930, 961, 992, 1080, 1116, 1200, 1240, 1350, 1395, 1440, 1488, 1550, 1674, 1800, 1860, 1922, 2160, 2232, 2325, 2400, 2480, 2700, 2790, 2883, 2976, 3100, 3348, 3600, 3720, 3844, 4185, 4320, 4464, 4650, 4805, 4960, 5400, 5580, 5766, 6200, 6696, 6975, 7200, 7440, 7688, 8370, 8649, 8928, 9300, 9610, 10800, 11160, 11532, 12400, 13392, 13950, 14415, 14880, 15376, 16740, 17298, 18600, 19220, 20925, 21600, 22320, 23064, 24025, 24800, 25947, 26784, 27900, 28830, 30752, 33480, 34596, 37200, 38440, 41850, 43245, 44640, 46128, 48050, 51894, 55800, 57660, 66960, 69192, 72075, 74400, 76880, 83700, 86490, 92256, 96100, 103788, 111600, 115320, 129735, 133920, 138384, 144150, 153760, 167400, 172980, 192200, 207576, 216225, 223200, 230640, 259470, 276768, 288300, 334800, 345960, 384400, 415152, 432450, 461280, 518940, 576600, 648675, 669600, 691920, 768800, 830304, 864900, 1037880, 1153200, 1297350, 1383840, 1729800, 2075760, 2306400, 2594700, 3459600, 4151520, 5189400, 6919200, 10378800, 20757600]

約数ペア:

[(1, 20757600), (2, 10378800), (3, 6919200), (4, 5189400), (5, 4151520), (6, 3459600), (8, 2594700), (9, 2306400), (10, 2075760), (12, 1729800), (15, 1383840), (16, 1297350), (18, 1153200), (20, 1037880), (24, 864900), (25, 830304), (27, 768800), (30, 691920), (31, 669600), (32, 648675), (36, 576600), (40, 518940), (45, 461280), (48, 432450), (50, 415152), (54, 384400), (60, 345960), (62, 334800), (72, 288300), (75, 276768), (80, 259470), (90, 230640), (93, 223200), (96, 216225), (100, 207576), (108, 192200), (120, 172980), (124, 167400), (135, 153760), (144, 144150), (150, 138384), (155, 133920), (160, 129735), (180, 115320), (186, 111600), (200, 103788), (216, 96100), (225, 92256), (240, 86490), (248, 83700), (270, 76880), (279, 74400), (288, 72075), (300, 69192), (310, 66960), (360, 57660), (372, 55800), (400, 51894), (432, 48050), (450, 46128), (465, 44640), (480, 43245), (496, 41850), (540, 38440), (558, 37200), (600, 34596), (620, 33480), (675, 30752), (720, 28830), (744, 27900), (775, 26784), (800, 25947), (837, 24800), (864, 24025), (900, 23064), (930, 22320), (961, 21600), (992, 20925), (1080, 19220), (1116, 18600), (1200, 17298), (1240, 16740), (1350, 15376), (1395, 14880), (1440, 14415), (1488, 13950), (1550, 13392), (1674, 12400), (1800, 11532), (1860, 11160), (1922, 10800), (2160, 9610), (2232, 9300), (2325, 8928), (2400, 8649), (2480, 8370), (2700, 7688), (2790, 7440), (2883, 7200), (2976, 6975), (3100, 6696), (3348, 6200), (3600, 5766), (3720, 5580), (3844, 5400), (4185, 4960), (4320, 4805), (4464, 4650)]