747320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 2047680

約数和(自身を除く): 1300360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 157, 170, 238, 280, 314, 340, 476, 595, 628, 680, 785, 952, 1099, 1190, 1256, 1570, 2198, 2380, 2669, 3140, 4396, 4760, 5338, 5495, 6280, 8792, 10676, 10990, 13345, 18683, 21352, 21980, 26690, 37366, 43960, 53380, 74732, 93415, 106760, 149464, 186830, 373660, 747320]

約数ペア:

[(1, 747320), (2, 373660), (4, 186830), (5, 149464), (7, 106760), (8, 93415), (10, 74732), (14, 53380), (17, 43960), (20, 37366), (28, 26690), (34, 21980), (35, 21352), (40, 18683), (56, 13345), (68, 10990), (70, 10676), (85, 8792), (119, 6280), (136, 5495), (140, 5338), (157, 4760), (170, 4396), (238, 3140), (280, 2669), (314, 2380), (340, 2198), (476, 1570), (595, 1256), (628, 1190), (680, 1099), (785, 952)]