138823020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6481}}^1$

素因数の和:6520

約数の個数: 144

約数和(自身を含む): 509640768

約数和(自身を除く): 370817748

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 6481, 7140, 10710, 12962, 19443, 21420, 25924, 32405, 38886, 45367, 58329, 64810, 77772, 90734, 97215, 110177, 116658, 129620, 136101, 181468, 194430, 220354, 226835, 233316, 272202, 291645, 330531, 388860, 408303, 440708, 453670, 544404, 550885, 583290, 661062, 680505, 771239, 816606, 907340, 991593, 1101770, 1166580, 1322124, 1361010, 1542478, 1633212, 1652655, 1983186, 2041515, 2203540, 2313717, 2722020, 3084956, 3305310, 3856195, 3966372, 4083030, 4627434, 4957965, 6610620, 6941151, 7712390, 8166060, 9254868, 9915930, 11568585, 13882302, 15424780, 19831860, 23137170, 27764604, 34705755, 46274340, 69411510, 138823020]

約数ペア:

[(1, 138823020), (2, 69411510), (3, 46274340), (4, 34705755), (5, 27764604), (6, 23137170), (7, 19831860), (9, 15424780), (10, 13882302), (12, 11568585), (14, 9915930), (15, 9254868), (17, 8166060), (18, 7712390), (20, 6941151), (21, 6610620), (28, 4957965), (30, 4627434), (34, 4083030), (35, 3966372), (36, 3856195), (42, 3305310), (45, 3084956), (51, 2722020), (60, 2313717), (63, 2203540), (68, 2041515), (70, 1983186), (84, 1652655), (85, 1633212), (90, 1542478), (102, 1361010), (105, 1322124), (119, 1166580), (126, 1101770), (140, 991593), (153, 907340), (170, 816606), (180, 771239), (204, 680505), (210, 661062), (238, 583290), (252, 550885), (255, 544404), (306, 453670), (315, 440708), (340, 408303), (357, 388860), (420, 330531), (476, 291645), (510, 272202), (595, 233316), (612, 226835), (630, 220354), (714, 194430), (765, 181468), (1020, 136101), (1071, 129620), (1190, 116658), (1260, 110177), (1428, 97215), (1530, 90734), (1785, 77772), (2142, 64810), (2380, 58329), (3060, 45367), (3570, 38886), (4284, 32405), (5355, 25924), (6481, 21420), (7140, 19443), (10710, 12962)]