211278780

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:407

約数の個数: 168

約数和(自身を含む): 682714032

約数和(自身を除く): 471435252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 243, 258, 270, 324, 337, 387, 405, 430, 486, 516, 540, 645, 674, 729, 774, 810, 860, 972, 1011, 1161, 1215, 1290, 1348, 1458, 1548, 1620, 1685, 1935, 2022, 2322, 2430, 2580, 2916, 3033, 3370, 3483, 3645, 3870, 4044, 4644, 4860, 5055, 5805, 6066, 6740, 6966, 7290, 7740, 9099, 10110, 10449, 11610, 12132, 13932, 14491, 14580, 15165, 17415, 18198, 20220, 20898, 23220, 27297, 28982, 30330, 31347, 34830, 36396, 41796, 43473, 45495, 52245, 54594, 57964, 60660, 62694, 69660, 72455, 81891, 86946, 90990, 104490, 109188, 125388, 130419, 136485, 144910, 156735, 163782, 173892, 181980, 208980, 217365, 245673, 260838, 272970, 289820, 313470, 327564, 391257, 409455, 434730, 491346, 521676, 545940, 626940, 652095, 782514, 818910, 869460, 982692, 1173771, 1228365, 1304190, 1565028, 1637820, 1956285, 2347542, 2456730, 2608380, 3521313, 3912570, 4695084, 4913460, 5868855, 7042626, 7825140, 10563939, 11737710, 14085252, 17606565, 21127878, 23475420, 35213130, 42255756, 52819695, 70426260, 105639390, 211278780]

約数ペア:

[(1, 211278780), (2, 105639390), (3, 70426260), (4, 52819695), (5, 42255756), (6, 35213130), (9, 23475420), (10, 21127878), (12, 17606565), (15, 14085252), (18, 11737710), (20, 10563939), (27, 7825140), (30, 7042626), (36, 5868855), (43, 4913460), (45, 4695084), (54, 3912570), (60, 3521313), (81, 2608380), (86, 2456730), (90, 2347542), (108, 1956285), (129, 1637820), (135, 1565028), (162, 1304190), (172, 1228365), (180, 1173771), (215, 982692), (243, 869460), (258, 818910), (270, 782514), (324, 652095), (337, 626940), (387, 545940), (405, 521676), (430, 491346), (486, 434730), (516, 409455), (540, 391257), (645, 327564), (674, 313470), (729, 289820), (774, 272970), (810, 260838), (860, 245673), (972, 217365), (1011, 208980), (1161, 181980), (1215, 173892), (1290, 163782), (1348, 156735), (1458, 144910), (1548, 136485), (1620, 130419), (1685, 125388), (1935, 109188), (2022, 104490), (2322, 90990), (2430, 86946), (2580, 81891), (2916, 72455), (3033, 69660), (3370, 62694), (3483, 60660), (3645, 57964), (3870, 54594), (4044, 52245), (4644, 45495), (4860, 43473), (5055, 41796), (5805, 36396), (6066, 34830), (6740, 31347), (6966, 30330), (7290, 28982), (7740, 27297), (9099, 23220), (10110, 20898), (10449, 20220), (11610, 18198), (12132, 17415), (13932, 15165), (14491, 14580)]