12640860

素因数分解:

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

素因数の和:64

約数の個数: 144

約数和(自身を含む): 42292320

約数和(自身を除く): 29651460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 243, 255, 270, 289, 306, 324, 340, 405, 459, 486, 510, 540, 578, 612, 729, 765, 810, 867, 918, 972, 1020, 1156, 1215, 1377, 1445, 1458, 1530, 1620, 1734, 1836, 2187, 2295, 2430, 2601, 2754, 2890, 2916, 3060, 3468, 3645, 4131, 4335, 4374, 4590, 4860, 5202, 5508, 5780, 6885, 7290, 7803, 8262, 8670, 8748, 9180, 10404, 10935, 12393, 13005, 13770, 14580, 15606, 16524, 17340, 20655, 21870, 23409, 24786, 26010, 27540, 31212, 37179, 39015, 41310, 43740, 46818, 49572, 52020, 61965, 70227, 74358, 78030, 82620, 93636, 117045, 123930, 140454, 148716, 156060, 185895, 210681, 234090, 247860, 280908, 351135, 371790, 421362, 468180, 632043, 702270, 743580, 842724, 1053405, 1264086, 1404540, 2106810, 2528172, 3160215, 4213620, 6320430, 12640860]

約数ペア:

[(1, 12640860), (2, 6320430), (3, 4213620), (4, 3160215), (5, 2528172), (6, 2106810), (9, 1404540), (10, 1264086), (12, 1053405), (15, 842724), (17, 743580), (18, 702270), (20, 632043), (27, 468180), (30, 421362), (34, 371790), (36, 351135), (45, 280908), (51, 247860), (54, 234090), (60, 210681), (68, 185895), (81, 156060), (85, 148716), (90, 140454), (102, 123930), (108, 117045), (135, 93636), (153, 82620), (162, 78030), (170, 74358), (180, 70227), (204, 61965), (243, 52020), (255, 49572), (270, 46818), (289, 43740), (306, 41310), (324, 39015), (340, 37179), (405, 31212), (459, 27540), (486, 26010), (510, 24786), (540, 23409), (578, 21870), (612, 20655), (729, 17340), (765, 16524), (810, 15606), (867, 14580), (918, 13770), (972, 13005), (1020, 12393), (1156, 10935), (1215, 10404), (1377, 9180), (1445, 8748), (1458, 8670), (1530, 8262), (1620, 7803), (1734, 7290), (1836, 6885), (2187, 5780), (2295, 5508), (2430, 5202), (2601, 4860), (2754, 4590), (2890, 4374), (2916, 4335), (3060, 4131), (3468, 3645)]