211315680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{571}}^1$

素因数の和:849

約数の個数: 144

約数和(自身を含む): 725188464

約数和(自身を除く): 513872784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 257, 288, 360, 480, 514, 571, 720, 771, 1028, 1142, 1285, 1440, 1542, 1713, 2056, 2284, 2313, 2570, 2855, 3084, 3426, 3855, 4112, 4568, 4626, 5139, 5140, 5710, 6168, 6852, 7710, 8224, 8565, 9136, 9252, 10278, 10280, 11420, 11565, 12336, 13704, 15420, 17130, 18272, 18504, 20556, 20560, 22840, 23130, 24672, 25695, 27408, 30840, 34260, 37008, 41112, 41120, 45680, 46260, 51390, 54816, 61680, 68520, 74016, 82224, 91360, 92520, 102780, 123360, 137040, 146747, 164448, 185040, 205560, 274080, 293494, 370080, 411120, 440241, 586988, 733735, 822240, 880482, 1173976, 1320723, 1467470, 1760964, 2201205, 2347952, 2641446, 2934940, 3521928, 4402410, 4695904, 5282892, 5869880, 6603615, 7043856, 8804820, 10565784, 11739760, 13207230, 14087712, 17609640, 21131568, 23479520, 26414460, 35219280, 42263136, 52828920, 70438560, 105657840, 211315680]

約数ペア:

[(1, 211315680), (2, 105657840), (3, 70438560), (4, 52828920), (5, 42263136), (6, 35219280), (8, 26414460), (9, 23479520), (10, 21131568), (12, 17609640), (15, 14087712), (16, 13207230), (18, 11739760), (20, 10565784), (24, 8804820), (30, 7043856), (32, 6603615), (36, 5869880), (40, 5282892), (45, 4695904), (48, 4402410), (60, 3521928), (72, 2934940), (80, 2641446), (90, 2347952), (96, 2201205), (120, 1760964), (144, 1467470), (160, 1320723), (180, 1173976), (240, 880482), (257, 822240), (288, 733735), (360, 586988), (480, 440241), (514, 411120), (571, 370080), (720, 293494), (771, 274080), (1028, 205560), (1142, 185040), (1285, 164448), (1440, 146747), (1542, 137040), (1713, 123360), (2056, 102780), (2284, 92520), (2313, 91360), (2570, 82224), (2855, 74016), (3084, 68520), (3426, 61680), (3855, 54816), (4112, 51390), (4568, 46260), (4626, 45680), (5139, 41120), (5140, 41112), (5710, 37008), (6168, 34260), (6852, 30840), (7710, 27408), (8224, 25695), (8565, 24672), (9136, 23130), (9252, 22840), (10278, 20560), (10280, 20556), (11420, 18504), (11565, 18272), (12336, 17130), (13704, 15420)]