638087580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9403}}^1$

素因数の和:9460

約数の個数: 144

約数和(自身を含む): 2156525280

約数和(自身を除く): 1518437700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 290, 348, 377, 390, 435, 468, 522, 580, 585, 754, 780, 870, 1044, 1131, 1170, 1305, 1508, 1740, 1885, 2262, 2340, 2610, 3393, 3770, 4524, 5220, 5655, 6786, 7540, 9403, 11310, 13572, 16965, 18806, 22620, 28209, 33930, 37612, 47015, 56418, 67860, 84627, 94030, 112836, 122239, 141045, 169254, 188060, 244478, 272687, 282090, 338508, 366717, 423135, 488956, 545374, 564180, 611195, 733434, 818061, 846270, 1090748, 1100151, 1222390, 1363435, 1466868, 1636122, 1692540, 1833585, 2200302, 2444780, 2454183, 2726870, 3272244, 3544931, 3667170, 4090305, 4400604, 4908366, 5453740, 5500755, 7089862, 7334340, 8180610, 9816732, 10634793, 11001510, 12270915, 14179724, 16361220, 17724655, 21269586, 22003020, 24541830, 31904379, 35449310, 42539172, 49083660, 53173965, 63808758, 70898620, 106347930, 127617516, 159521895, 212695860, 319043790, 638087580]

約数ペア:

[(1, 638087580), (2, 319043790), (3, 212695860), (4, 159521895), (5, 127617516), (6, 106347930), (9, 70898620), (10, 63808758), (12, 53173965), (13, 49083660), (15, 42539172), (18, 35449310), (20, 31904379), (26, 24541830), (29, 22003020), (30, 21269586), (36, 17724655), (39, 16361220), (45, 14179724), (52, 12270915), (58, 11001510), (60, 10634793), (65, 9816732), (78, 8180610), (87, 7334340), (90, 7089862), (116, 5500755), (117, 5453740), (130, 4908366), (145, 4400604), (156, 4090305), (174, 3667170), (180, 3544931), (195, 3272244), (234, 2726870), (260, 2454183), (261, 2444780), (290, 2200302), (348, 1833585), (377, 1692540), (390, 1636122), (435, 1466868), (468, 1363435), (522, 1222390), (580, 1100151), (585, 1090748), (754, 846270), (780, 818061), (870, 733434), (1044, 611195), (1131, 564180), (1170, 545374), (1305, 488956), (1508, 423135), (1740, 366717), (1885, 338508), (2262, 282090), (2340, 272687), (2610, 244478), (3393, 188060), (3770, 169254), (4524, 141045), (5220, 122239), (5655, 112836), (6786, 94030), (7540, 84627), (9403, 67860), (11310, 56418), (13572, 47015), (16965, 37612), (18806, 33930), (22620, 28209)]