31829940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 104569920

約数和(自身を除く): 72739980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 41, 45, 57, 60, 76, 82, 90, 95, 114, 123, 164, 171, 180, 190, 205, 227, 228, 246, 285, 342, 369, 380, 410, 454, 492, 570, 615, 681, 684, 738, 779, 820, 855, 908, 1135, 1140, 1230, 1362, 1476, 1558, 1710, 1845, 2043, 2270, 2337, 2460, 2724, 3116, 3405, 3420, 3690, 3895, 4086, 4313, 4540, 4674, 6810, 7011, 7380, 7790, 8172, 8626, 9307, 9348, 10215, 11685, 12939, 13620, 14022, 15580, 17252, 18614, 20430, 21565, 23370, 25878, 27921, 28044, 35055, 37228, 38817, 40860, 43130, 46535, 46740, 51756, 55842, 64695, 70110, 77634, 83763, 86260, 93070, 111684, 129390, 139605, 140220, 155268, 167526, 176833, 186140, 194085, 258780, 279210, 335052, 353666, 388170, 418815, 530499, 558420, 707332, 776340, 837630, 884165, 1060998, 1591497, 1675260, 1768330, 2121996, 2652495, 3182994, 3536660, 5304990, 6365988, 7957485, 10609980, 15914970, 31829940]

約数ペア:

[(1, 31829940), (2, 15914970), (3, 10609980), (4, 7957485), (5, 6365988), (6, 5304990), (9, 3536660), (10, 3182994), (12, 2652495), (15, 2121996), (18, 1768330), (19, 1675260), (20, 1591497), (30, 1060998), (36, 884165), (38, 837630), (41, 776340), (45, 707332), (57, 558420), (60, 530499), (76, 418815), (82, 388170), (90, 353666), (95, 335052), (114, 279210), (123, 258780), (164, 194085), (171, 186140), (180, 176833), (190, 167526), (205, 155268), (227, 140220), (228, 139605), (246, 129390), (285, 111684), (342, 93070), (369, 86260), (380, 83763), (410, 77634), (454, 70110), (492, 64695), (570, 55842), (615, 51756), (681, 46740), (684, 46535), (738, 43130), (779, 40860), (820, 38817), (855, 37228), (908, 35055), (1135, 28044), (1140, 27921), (1230, 25878), (1362, 23370), (1476, 21565), (1558, 20430), (1710, 18614), (1845, 17252), (2043, 15580), (2270, 14022), (2337, 13620), (2460, 12939), (2724, 11685), (3116, 10215), (3405, 9348), (3420, 9307), (3690, 8626), (3895, 8172), (4086, 7790), (4313, 7380), (4540, 7011), (4674, 6810)]