15681788500

素因数分解:

$2^2\times 5^3\times 7^3\times {\mathrm{61}}^1\times {\mathrm{1499}}^1$

素因数の和:1600

約数の個数: 192

約数和(自身を含む): 40622400000

約数和(自身を除く): 24940611500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 61, 70, 98, 100, 122, 125, 140, 175, 196, 244, 245, 250, 305, 343, 350, 427, 490, 500, 610, 686, 700, 854, 875, 980, 1220, 1225, 1372, 1499, 1525, 1708, 1715, 1750, 2135, 2450, 2989, 2998, 3050, 3430, 3500, 4270, 4900, 5978, 5996, 6100, 6125, 6860, 7495, 7625, 8540, 8575, 10493, 10675, 11956, 12250, 14945, 14990, 15250, 17150, 20923, 20986, 21350, 24500, 29890, 29980, 30500, 34300, 37475, 41846, 41972, 42700, 42875, 52465, 53375, 59780, 73451, 74725, 74950, 83692, 85750, 91439, 104615, 104930, 106750, 146902, 149450, 149900, 171500, 182878, 187375, 209230, 209860, 213500, 262325, 293804, 298900, 365756, 367255, 373625, 374750, 418460, 457195, 514157, 523075, 524650, 640073, 734510, 747250, 749500, 914390, 1028314, 1046150, 1049300, 1280146, 1311625, 1469020, 1494500, 1828780, 1836275, 2056628, 2092300, 2285975, 2560292, 2570785, 2615375, 2623250, 3200365, 3672550, 4480511, 4571950, 5141570, 5230750, 5246500, 6400730, 7345100, 8961022, 9143900, 9181375, 10283140, 10461500, 11429875, 12801460, 12853925, 16001825, 17922044, 18362750, 22402555, 22859750, 25707850, 31363577, 32003650, 36725500, 44805110, 45719500, 51415700, 62727154, 64007300, 64269625, 80009125, 89610220, 112012775, 125454308, 128539250, 156817885, 160018250, 224025550, 257078500, 313635770, 320036500, 448051100, 560063875, 627271540, 784089425, 1120127750, 1568178850, 2240255500, 3136357700, 3920447125, 7840894250, 15681788500]

約数ペア:

[(1, 15681788500), (2, 7840894250), (4, 3920447125), (5, 3136357700), (7, 2240255500), (10, 1568178850), (14, 1120127750), (20, 784089425), (25, 627271540), (28, 560063875), (35, 448051100), (49, 320036500), (50, 313635770), (61, 257078500), (70, 224025550), (98, 160018250), (100, 156817885), (122, 128539250), (125, 125454308), (140, 112012775), (175, 89610220), (196, 80009125), (244, 64269625), (245, 64007300), (250, 62727154), (305, 51415700), (343, 45719500), (350, 44805110), (427, 36725500), (490, 32003650), (500, 31363577), (610, 25707850), (686, 22859750), (700, 22402555), (854, 18362750), (875, 17922044), (980, 16001825), (1220, 12853925), (1225, 12801460), (1372, 11429875), (1499, 10461500), (1525, 10283140), (1708, 9181375), (1715, 9143900), (1750, 8961022), (2135, 7345100), (2450, 6400730), (2989, 5246500), (2998, 5230750), (3050, 5141570), (3430, 4571950), (3500, 4480511), (4270, 3672550), (4900, 3200365), (5978, 2623250), (5996, 2615375), (6100, 2570785), (6125, 2560292), (6860, 2285975), (7495, 2092300), (7625, 2056628), (8540, 1836275), (8575, 1828780), (10493, 1494500), (10675, 1469020), (11956, 1311625), (12250, 1280146), (14945, 1049300), (14990, 1046150), (15250, 1028314), (17150, 914390), (20923, 749500), (20986, 747250), (21350, 734510), (24500, 640073), (29890, 524650), (29980, 523075), (30500, 514157), (34300, 457195), (37475, 418460), (41846, 374750), (41972, 373625), (42700, 367255), (42875, 365756), (52465, 298900), (53375, 293804), (59780, 262325), (73451, 213500), (74725, 209860), (74950, 209230), (83692, 187375), (85750, 182878), (91439, 171500), (104615, 149900), (104930, 149450), (106750, 146902)]