20772720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:244

約数の個数: 160

約数和(自身を含む): 73209600

約数和(自身を除く): 52436880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 59, 60, 72, 80, 90, 108, 118, 120, 135, 144, 163, 177, 180, 216, 236, 240, 270, 295, 326, 354, 360, 432, 472, 489, 531, 540, 590, 652, 708, 720, 815, 885, 944, 978, 1062, 1080, 1180, 1304, 1416, 1467, 1593, 1630, 1770, 1956, 2124, 2160, 2360, 2445, 2608, 2655, 2832, 2934, 3186, 3260, 3540, 3912, 4248, 4401, 4720, 4890, 5310, 5868, 6372, 6520, 7080, 7335, 7824, 7965, 8496, 8802, 9617, 9780, 10620, 11736, 12744, 13040, 14160, 14670, 15930, 17604, 19234, 19560, 21240, 22005, 23472, 25488, 28851, 29340, 31860, 35208, 38468, 39120, 42480, 44010, 48085, 57702, 58680, 63720, 70416, 76936, 86553, 88020, 96170, 115404, 117360, 127440, 144255, 153872, 173106, 176040, 192340, 230808, 259659, 288510, 346212, 352080, 384680, 432765, 461616, 519318, 577020, 692424, 769360, 865530, 1038636, 1154040, 1298295, 1384848, 1731060, 2077272, 2308080, 2596590, 3462120, 4154544, 5193180, 6924240, 10386360, 20772720]

約数ペア:

[(1, 20772720), (2, 10386360), (3, 6924240), (4, 5193180), (5, 4154544), (6, 3462120), (8, 2596590), (9, 2308080), (10, 2077272), (12, 1731060), (15, 1384848), (16, 1298295), (18, 1154040), (20, 1038636), (24, 865530), (27, 769360), (30, 692424), (36, 577020), (40, 519318), (45, 461616), (48, 432765), (54, 384680), (59, 352080), (60, 346212), (72, 288510), (80, 259659), (90, 230808), (108, 192340), (118, 176040), (120, 173106), (135, 153872), (144, 144255), (163, 127440), (177, 117360), (180, 115404), (216, 96170), (236, 88020), (240, 86553), (270, 76936), (295, 70416), (326, 63720), (354, 58680), (360, 57702), (432, 48085), (472, 44010), (489, 42480), (531, 39120), (540, 38468), (590, 35208), (652, 31860), (708, 29340), (720, 28851), (815, 25488), (885, 23472), (944, 22005), (978, 21240), (1062, 19560), (1080, 19234), (1180, 17604), (1304, 15930), (1416, 14670), (1467, 14160), (1593, 13040), (1630, 12744), (1770, 11736), (1956, 10620), (2124, 9780), (2160, 9617), (2360, 8802), (2445, 8496), (2608, 7965), (2655, 7824), (2832, 7335), (2934, 7080), (3186, 6520), (3260, 6372), (3540, 5868), (3912, 5310), (4248, 4890), (4401, 4720)]