20984470800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{131}}^2\times {\mathrm{1019}}^1$

素因数の和:1302

約数の個数: 180

約数和(自身を含む): 67803777840

約数和(自身を除く): 46819307040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 120, 131, 150, 200, 240, 262, 300, 393, 400, 524, 600, 655, 786, 1019, 1048, 1200, 1310, 1572, 1965, 2038, 2096, 2620, 3057, 3144, 3275, 3930, 4076, 5095, 5240, 6114, 6288, 6550, 7860, 8152, 9825, 10190, 10480, 12228, 13100, 15285, 15720, 16304, 17161, 19650, 20380, 24456, 25475, 26200, 30570, 31440, 34322, 39300, 40760, 48912, 50950, 51483, 52400, 61140, 68644, 76425, 78600, 81520, 85805, 101900, 102966, 122280, 133489, 137288, 152850, 157200, 171610, 203800, 205932, 244560, 257415, 266978, 274576, 305700, 343220, 400467, 407600, 411864, 429025, 514830, 533956, 611400, 667445, 686440, 800934, 823728, 858050, 1029660, 1067912, 1222800, 1287075, 1334890, 1372880, 1601868, 1716100, 2002335, 2059320, 2135824, 2574150, 2669780, 3203736, 3337225, 3432200, 4004670, 4118640, 5148300, 5339560, 6407472, 6674450, 6864400, 8009340, 10011675, 10296600, 10679120, 13348900, 16018680, 17487059, 20023350, 20593200, 26697800, 32037360, 34974118, 40046700, 52461177, 53395600, 69948236, 80093400, 87435295, 104922354, 139896472, 160186800, 174870590, 209844708, 262305885, 279792944, 349741180, 419689416, 437176475, 524611770, 699482360, 839378832, 874352950, 1049223540, 1311529425, 1398964720, 1748705900, 2098447080, 2623058850, 3497411800, 4196894160, 5246117700, 6994823600, 10492235400, 20984470800]

約数ペア:

[(1, 20984470800), (2, 10492235400), (3, 6994823600), (4, 5246117700), (5, 4196894160), (6, 3497411800), (8, 2623058850), (10, 2098447080), (12, 1748705900), (15, 1398964720), (16, 1311529425), (20, 1049223540), (24, 874352950), (25, 839378832), (30, 699482360), (40, 524611770), (48, 437176475), (50, 419689416), (60, 349741180), (75, 279792944), (80, 262305885), (100, 209844708), (120, 174870590), (131, 160186800), (150, 139896472), (200, 104922354), (240, 87435295), (262, 80093400), (300, 69948236), (393, 53395600), (400, 52461177), (524, 40046700), (600, 34974118), (655, 32037360), (786, 26697800), (1019, 20593200), (1048, 20023350), (1200, 17487059), (1310, 16018680), (1572, 13348900), (1965, 10679120), (2038, 10296600), (2096, 10011675), (2620, 8009340), (3057, 6864400), (3144, 6674450), (3275, 6407472), (3930, 5339560), (4076, 5148300), (5095, 4118640), (5240, 4004670), (6114, 3432200), (6288, 3337225), (6550, 3203736), (7860, 2669780), (8152, 2574150), (9825, 2135824), (10190, 2059320), (10480, 2002335), (12228, 1716100), (13100, 1601868), (15285, 1372880), (15720, 1334890), (16304, 1287075), (17161, 1222800), (19650, 1067912), (20380, 1029660), (24456, 858050), (25475, 823728), (26200, 800934), (30570, 686440), (31440, 667445), (34322, 611400), (39300, 533956), (40760, 514830), (48912, 429025), (50950, 411864), (51483, 407600), (52400, 400467), (61140, 343220), (68644, 305700), (76425, 274576), (78600, 266978), (81520, 257415), (85805, 244560), (101900, 205932), (102966, 203800), (122280, 171610), (133489, 157200), (137288, 152850)]