79891020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 267085728

約数和(自身を除く): 187194708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 157, 165, 180, 198, 220, 257, 314, 330, 396, 471, 495, 514, 628, 660, 771, 785, 942, 990, 1028, 1285, 1413, 1542, 1570, 1727, 1884, 1980, 2313, 2355, 2570, 2826, 2827, 3084, 3140, 3454, 3855, 4626, 4710, 5140, 5181, 5652, 5654, 6908, 7065, 7710, 8481, 8635, 9252, 9420, 10362, 11308, 11565, 14130, 14135, 15420, 15543, 16962, 17270, 20724, 23130, 25443, 25905, 28260, 28270, 31086, 33924, 34540, 40349, 42405, 46260, 50886, 51810, 56540, 62172, 77715, 80698, 84810, 101772, 103620, 121047, 127215, 155430, 161396, 169620, 201745, 242094, 254430, 310860, 363141, 403490, 443839, 484188, 508860, 605235, 726282, 806980, 887678, 1210470, 1331517, 1452564, 1775356, 1815705, 2219195, 2420940, 2663034, 3631410, 3994551, 4438390, 5326068, 6657585, 7262820, 7989102, 8876780, 13315170, 15978204, 19972755, 26630340, 39945510, 79891020]

約数ペア:

[(1, 79891020), (2, 39945510), (3, 26630340), (4, 19972755), (5, 15978204), (6, 13315170), (9, 8876780), (10, 7989102), (11, 7262820), (12, 6657585), (15, 5326068), (18, 4438390), (20, 3994551), (22, 3631410), (30, 2663034), (33, 2420940), (36, 2219195), (44, 1815705), (45, 1775356), (55, 1452564), (60, 1331517), (66, 1210470), (90, 887678), (99, 806980), (110, 726282), (132, 605235), (157, 508860), (165, 484188), (180, 443839), (198, 403490), (220, 363141), (257, 310860), (314, 254430), (330, 242094), (396, 201745), (471, 169620), (495, 161396), (514, 155430), (628, 127215), (660, 121047), (771, 103620), (785, 101772), (942, 84810), (990, 80698), (1028, 77715), (1285, 62172), (1413, 56540), (1542, 51810), (1570, 50886), (1727, 46260), (1884, 42405), (1980, 40349), (2313, 34540), (2355, 33924), (2570, 31086), (2826, 28270), (2827, 28260), (3084, 25905), (3140, 25443), (3454, 23130), (3855, 20724), (4626, 17270), (4710, 16962), (5140, 15543), (5181, 15420), (5652, 14135), (5654, 14130), (6908, 11565), (7065, 11308), (7710, 10362), (8481, 9420), (8635, 9252)]