221309820

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:423

約数の個数: 168

約数和(自身を含む): 715031856

約数和(自身を除く): 493722036

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, 353, 387, 405, 430, 486, 516, 540, 645, 706, 729, 774, 810, 860, 972, 1059, 1161, 1215, 1290, 1412, 1458, 1548, 1620, 1765, 1935, 2118, 2322, 2430, 2580, 2916, 3177, 3483, 3530, 3645, 3870, 4236, 4644, 4860, 5295, 5805, 6354, 6966, 7060, 7290, 7740, 9531, 10449, 10590, 11610, 12708, 13932, 14580, 15179, 15885, 17415, 19062, 20898, 21180, 23220, 28593, 30358, 31347, 31770, 34830, 38124, 41796, 45537, 47655, 52245, 57186, 60716, 62694, 63540, 69660, 75895, 85779, 91074, 95310, 104490, 114372, 125388, 136611, 142965, 151790, 156735, 171558, 182148, 190620, 208980, 227685, 257337, 273222, 285930, 303580, 313470, 343116, 409833, 428895, 455370, 514674, 546444, 571860, 626940, 683055, 819666, 857790, 910740, 1029348, 1229499, 1286685, 1366110, 1639332, 1715580, 2049165, 2458998, 2573370, 2732220, 3688497, 4098330, 4917996, 5146740, 6147495, 7376994, 8196660, 11065491, 12294990, 14753988, 18442485, 22130982, 24589980, 36884970, 44261964, 55327455, 73769940, 110654910, 221309820]

約数ペア:

[(1, 221309820), (2, 110654910), (3, 73769940), (4, 55327455), (5, 44261964), (6, 36884970), (9, 24589980), (10, 22130982), (12, 18442485), (15, 14753988), (18, 12294990), (20, 11065491), (27, 8196660), (30, 7376994), (36, 6147495), (43, 5146740), (45, 4917996), (54, 4098330), (60, 3688497), (81, 2732220), (86, 2573370), (90, 2458998), (108, 2049165), (129, 1715580), (135, 1639332), (162, 1366110), (172, 1286685), (180, 1229499), (215, 1029348), (243, 910740), (258, 857790), (270, 819666), (324, 683055), (353, 626940), (387, 571860), (405, 546444), (430, 514674), (486, 455370), (516, 428895), (540, 409833), (645, 343116), (706, 313470), (729, 303580), (774, 285930), (810, 273222), (860, 257337), (972, 227685), (1059, 208980), (1161, 190620), (1215, 182148), (1290, 171558), (1412, 156735), (1458, 151790), (1548, 142965), (1620, 136611), (1765, 125388), (1935, 114372), (2118, 104490), (2322, 95310), (2430, 91074), (2580, 85779), (2916, 75895), (3177, 69660), (3483, 63540), (3530, 62694), (3645, 60716), (3870, 57186), (4236, 52245), (4644, 47655), (4860, 45537), (5295, 41796), (5805, 38124), (6354, 34830), (6966, 31770), (7060, 31347), (7290, 30358), (7740, 28593), (9531, 23220), (10449, 21180), (10590, 20898), (11610, 19062), (12708, 17415), (13932, 15885), (14580, 15179)]