1255291240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{10259}}^1$

素因数の和:10319

約数の個数: 128

約数和(自身を含む): 3545856000

約数和(自身を除く): 2290564760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 133, 140, 152, 161, 184, 190, 230, 266, 280, 322, 380, 437, 460, 532, 644, 665, 760, 805, 874, 920, 1064, 1288, 1330, 1610, 1748, 2185, 2660, 3059, 3220, 3496, 4370, 5320, 6118, 6440, 8740, 10259, 12236, 15295, 17480, 20518, 24472, 30590, 41036, 51295, 61180, 71813, 82072, 102590, 122360, 143626, 194921, 205180, 235957, 287252, 359065, 389842, 410360, 471914, 574504, 718130, 779684, 943828, 974605, 1179785, 1364447, 1436260, 1559368, 1651699, 1887656, 1949210, 2359570, 2728894, 2872520, 3303398, 3898420, 4483183, 4719140, 5457788, 6606796, 6822235, 7796840, 8258495, 8966366, 9438280, 10915576, 13213592, 13644470, 16516990, 17932732, 22415915, 27288940, 31382281, 33033980, 35865464, 44831830, 54577880, 62764562, 66067960, 89663660, 125529124, 156911405, 179327320, 251058248, 313822810, 627645620, 1255291240]

約数ペア:

[(1, 1255291240), (2, 627645620), (4, 313822810), (5, 251058248), (7, 179327320), (8, 156911405), (10, 125529124), (14, 89663660), (19, 66067960), (20, 62764562), (23, 54577880), (28, 44831830), (35, 35865464), (38, 33033980), (40, 31382281), (46, 27288940), (56, 22415915), (70, 17932732), (76, 16516990), (92, 13644470), (95, 13213592), (115, 10915576), (133, 9438280), (140, 8966366), (152, 8258495), (161, 7796840), (184, 6822235), (190, 6606796), (230, 5457788), (266, 4719140), (280, 4483183), (322, 3898420), (380, 3303398), (437, 2872520), (460, 2728894), (532, 2359570), (644, 1949210), (665, 1887656), (760, 1651699), (805, 1559368), (874, 1436260), (920, 1364447), (1064, 1179785), (1288, 974605), (1330, 943828), (1610, 779684), (1748, 718130), (2185, 574504), (2660, 471914), (3059, 410360), (3220, 389842), (3496, 359065), (4370, 287252), (5320, 235957), (6118, 205180), (6440, 194921), (8740, 143626), (10259, 122360), (12236, 102590), (15295, 82072), (17480, 71813), (20518, 61180), (24472, 51295), (30590, 41036)]