688047480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20551}}^1$

素因数の和:20602

約数の個数: 128

約数和(自身を含む): 2367590400

約数和(自身を除く): 1679542920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 4185, 5580, 6696, 8370, 11160, 16740, 20551, 33480, 41102, 61653, 82204, 102755, 123306, 164408, 184959, 205510, 246612, 308265, 369918, 411020, 493224, 554877, 616530, 637081, 739836, 822040, 924795, 1109754, 1233060, 1274162, 1479672, 1849590, 1911243, 2219508, 2466120, 2548324, 2774385, 3185405, 3699180, 3822486, 4439016, 5096648, 5548770, 5733729, 6370810, 7398360, 7644972, 9556215, 11097540, 11467458, 12741620, 15289944, 17201187, 19112430, 22195080, 22934916, 25483240, 28668645, 34402374, 38224860, 45869832, 57337290, 68804748, 76449720, 86005935, 114674580, 137609496, 172011870, 229349160, 344023740, 688047480]

約数ペア:

[(1, 688047480), (2, 344023740), (3, 229349160), (4, 172011870), (5, 137609496), (6, 114674580), (8, 86005935), (9, 76449720), (10, 68804748), (12, 57337290), (15, 45869832), (18, 38224860), (20, 34402374), (24, 28668645), (27, 25483240), (30, 22934916), (31, 22195080), (36, 19112430), (40, 17201187), (45, 15289944), (54, 12741620), (60, 11467458), (62, 11097540), (72, 9556215), (90, 7644972), (93, 7398360), (108, 6370810), (120, 5733729), (124, 5548770), (135, 5096648), (155, 4439016), (180, 3822486), (186, 3699180), (216, 3185405), (248, 2774385), (270, 2548324), (279, 2466120), (310, 2219508), (360, 1911243), (372, 1849590), (465, 1479672), (540, 1274162), (558, 1233060), (620, 1109754), (744, 924795), (837, 822040), (930, 739836), (1080, 637081), (1116, 616530), (1240, 554877), (1395, 493224), (1674, 411020), (1860, 369918), (2232, 308265), (2790, 246612), (3348, 205510), (3720, 184959), (4185, 164408), (5580, 123306), (6696, 102755), (8370, 82204), (11160, 61653), (16740, 41102), (20551, 33480)]