217142520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{36929}}^1$

素因数の和:36957

約数の個数: 96

約数和(自身を含む): 757803600

約数和(自身を除く): 540661080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 36929, 73858, 110787, 147716, 184645, 221574, 258503, 295432, 369290, 443148, 517006, 553935, 738580, 775509, 886296, 1034012, 1107870, 1292515, 1477160, 1551018, 1809521, 2068024, 2215740, 2585030, 3102036, 3619042, 3877545, 4431480, 5170060, 5428563, 6204072, 7238084, 7755090, 9047605, 10340120, 10857126, 14476168, 15510180, 18095210, 21714252, 27142815, 31020360, 36190420, 43428504, 54285630, 72380840, 108571260, 217142520]

約数ペア:

[(1, 217142520), (2, 108571260), (3, 72380840), (4, 54285630), (5, 43428504), (6, 36190420), (7, 31020360), (8, 27142815), (10, 21714252), (12, 18095210), (14, 15510180), (15, 14476168), (20, 10857126), (21, 10340120), (24, 9047605), (28, 7755090), (30, 7238084), (35, 6204072), (40, 5428563), (42, 5170060), (49, 4431480), (56, 3877545), (60, 3619042), (70, 3102036), (84, 2585030), (98, 2215740), (105, 2068024), (120, 1809521), (140, 1551018), (147, 1477160), (168, 1292515), (196, 1107870), (210, 1034012), (245, 886296), (280, 775509), (294, 738580), (392, 553935), (420, 517006), (490, 443148), (588, 369290), (735, 295432), (840, 258503), (980, 221574), (1176, 184645), (1470, 147716), (1960, 110787), (2940, 73858), (5880, 36929)]