278254980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1783}}^1$

素因数の和:1835

約数の個数: 144

約数和(自身を含む): 920115840

約数和(自身を除く): 641860860

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, 85, 90, 102, 108, 135, 153, 170, 180, 204, 255, 270, 289, 306, 340, 459, 510, 540, 578, 612, 765, 867, 918, 1020, 1156, 1445, 1530, 1734, 1783, 1836, 2295, 2601, 2890, 3060, 3468, 3566, 4335, 4590, 5202, 5349, 5780, 7132, 7803, 8670, 8915, 9180, 10404, 10698, 13005, 15606, 16047, 17340, 17830, 21396, 26010, 26745, 30311, 31212, 32094, 35660, 39015, 48141, 52020, 53490, 60622, 64188, 78030, 80235, 90933, 96282, 106980, 121244, 151555, 156060, 160470, 181866, 192564, 240705, 272799, 303110, 320940, 363732, 454665, 481410, 515287, 545598, 606220, 818397, 909330, 962820, 1030574, 1091196, 1363995, 1545861, 1636794, 1818660, 2061148, 2576435, 2727990, 3091722, 3273588, 4091985, 4637583, 5152870, 5455980, 6183444, 7729305, 8183970, 9275166, 10305740, 13912749, 15458610, 16367940, 18550332, 23187915, 27825498, 30917220, 46375830, 55650996, 69563745, 92751660, 139127490, 278254980]

約数ペア:

[(1, 278254980), (2, 139127490), (3, 92751660), (4, 69563745), (5, 55650996), (6, 46375830), (9, 30917220), (10, 27825498), (12, 23187915), (15, 18550332), (17, 16367940), (18, 15458610), (20, 13912749), (27, 10305740), (30, 9275166), (34, 8183970), (36, 7729305), (45, 6183444), (51, 5455980), (54, 5152870), (60, 4637583), (68, 4091985), (85, 3273588), (90, 3091722), (102, 2727990), (108, 2576435), (135, 2061148), (153, 1818660), (170, 1636794), (180, 1545861), (204, 1363995), (255, 1091196), (270, 1030574), (289, 962820), (306, 909330), (340, 818397), (459, 606220), (510, 545598), (540, 515287), (578, 481410), (612, 454665), (765, 363732), (867, 320940), (918, 303110), (1020, 272799), (1156, 240705), (1445, 192564), (1530, 181866), (1734, 160470), (1783, 156060), (1836, 151555), (2295, 121244), (2601, 106980), (2890, 96282), (3060, 90933), (3468, 80235), (3566, 78030), (4335, 64188), (4590, 60622), (5202, 53490), (5349, 52020), (5780, 48141), (7132, 39015), (7803, 35660), (8670, 32094), (8915, 31212), (9180, 30311), (10404, 26745), (10698, 26010), (13005, 21396), (15606, 17830), (16047, 17340)]