20018625120

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118819}}^1$

素因数の和:118859

約数の個数: 240

約数和(自身を含む): 76084248240

約数和(自身を除く): 56065623120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 324, 351, 360, 390, 405, 416, 432, 468, 480, 520, 540, 585, 624, 648, 702, 720, 780, 810, 864, 936, 1040, 1053, 1080, 1170, 1248, 1296, 1404, 1440, 1560, 1620, 1755, 1872, 2080, 2106, 2160, 2340, 2592, 2808, 3120, 3240, 3510, 3744, 4212, 4320, 4680, 5265, 5616, 6240, 6480, 7020, 8424, 9360, 10530, 11232, 12960, 14040, 16848, 18720, 21060, 28080, 33696, 42120, 56160, 84240, 118819, 168480, 237638, 356457, 475276, 594095, 712914, 950552, 1069371, 1188190, 1425828, 1544647, 1782285, 1901104, 2138742, 2376380, 2851656, 3089294, 3208113, 3564570, 3802208, 4277484, 4633941, 4752760, 5346855, 5703312, 6178588, 6416226, 7129140, 7723235, 8554968, 9267882, 9505520, 9624339, 10693710, 11406624, 12357176, 12832452, 13901823, 14258280, 15446470, 16040565, 17109936, 18535764, 19011040, 19248678, 21387420, 23169705, 24714352, 25664904, 27803646, 28516560, 30892940, 32081130, 34219872, 37071528, 38497356, 41705469, 42774840, 46339410, 48121695, 49428704, 51329808, 55607292, 57033120, 61785880, 64162260, 69509115, 74143056, 76994712, 83410938, 85549680, 92678820, 96243390, 102659616, 111214584, 123571760, 125116407, 128324520, 139018230, 148286112, 153989424, 166821876, 171099360, 185357640, 192486780, 208527345, 222429168, 247143520, 250232814, 256649040, 278036460, 307978848, 333643752, 370715280, 384973560, 417054690, 444858336, 500465628, 513298080, 556072920, 625582035, 667287504, 741430560, 769947120, 834109380, 1000931256, 1112145840, 1251164070, 1334575008, 1539894240, 1668218760, 2001862512, 2224291680, 2502328140, 3336437520, 4003725024, 5004656280, 6672875040, 10009312560, 20018625120]

約数ペア:

[(1, 20018625120), (2, 10009312560), (3, 6672875040), (4, 5004656280), (5, 4003725024), (6, 3336437520), (8, 2502328140), (9, 2224291680), (10, 2001862512), (12, 1668218760), (13, 1539894240), (15, 1334575008), (16, 1251164070), (18, 1112145840), (20, 1000931256), (24, 834109380), (26, 769947120), (27, 741430560), (30, 667287504), (32, 625582035), (36, 556072920), (39, 513298080), (40, 500465628), (45, 444858336), (48, 417054690), (52, 384973560), (54, 370715280), (60, 333643752), (65, 307978848), (72, 278036460), (78, 256649040), (80, 250232814), (81, 247143520), (90, 222429168), (96, 208527345), (104, 192486780), (108, 185357640), (117, 171099360), (120, 166821876), (130, 153989424), (135, 148286112), (144, 139018230), (156, 128324520), (160, 125116407), (162, 123571760), (180, 111214584), (195, 102659616), (208, 96243390), (216, 92678820), (234, 85549680), (240, 83410938), (260, 76994712), (270, 74143056), (288, 69509115), (312, 64162260), (324, 61785880), (351, 57033120), (360, 55607292), (390, 51329808), (405, 49428704), (416, 48121695), (432, 46339410), (468, 42774840), (480, 41705469), (520, 38497356), (540, 37071528), (585, 34219872), (624, 32081130), (648, 30892940), (702, 28516560), (720, 27803646), (780, 25664904), (810, 24714352), (864, 23169705), (936, 21387420), (1040, 19248678), (1053, 19011040), (1080, 18535764), (1170, 17109936), (1248, 16040565), (1296, 15446470), (1404, 14258280), (1440, 13901823), (1560, 12832452), (1620, 12357176), (1755, 11406624), (1872, 10693710), (2080, 9624339), (2106, 9505520), (2160, 9267882), (2340, 8554968), (2592, 7723235), (2808, 7129140), (3120, 6416226), (3240, 6178588), (3510, 5703312), (3744, 5346855), (4212, 4752760), (4320, 4633941), (4680, 4277484), (5265, 3802208), (5616, 3564570), (6240, 3208113), (6480, 3089294), (7020, 2851656), (8424, 2376380), (9360, 2138742), (10530, 1901104), (11232, 1782285), (12960, 1544647), (14040, 1425828), (16848, 1188190), (18720, 1069371), (21060, 950552), (28080, 712914), (33696, 594095), (42120, 475276), (56160, 356457), (84240, 237638), (118819, 168480)]