39921960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:347

約数の個数: 128

約数和(自身を含む): 130596480

約数和(自身を除く): 90674520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 157, 163, 195, 260, 312, 314, 326, 390, 471, 489, 520, 628, 652, 780, 785, 815, 942, 978, 1256, 1304, 1560, 1570, 1630, 1884, 1956, 2041, 2119, 2355, 2445, 3140, 3260, 3768, 3912, 4082, 4238, 4710, 4890, 6123, 6280, 6357, 6520, 8164, 8476, 9420, 9780, 10205, 10595, 12246, 12714, 16328, 16952, 18840, 19560, 20410, 21190, 24492, 25428, 25591, 30615, 31785, 40820, 42380, 48984, 50856, 51182, 61230, 63570, 76773, 81640, 84760, 102364, 122460, 127140, 127955, 153546, 204728, 244920, 254280, 255910, 307092, 332683, 383865, 511820, 614184, 665366, 767730, 998049, 1023640, 1330732, 1535460, 1663415, 1996098, 2661464, 3070920, 3326830, 3992196, 4990245, 6653660, 7984392, 9980490, 13307320, 19960980, 39921960]

約数ペア:

[(1, 39921960), (2, 19960980), (3, 13307320), (4, 9980490), (5, 7984392), (6, 6653660), (8, 4990245), (10, 3992196), (12, 3326830), (13, 3070920), (15, 2661464), (20, 1996098), (24, 1663415), (26, 1535460), (30, 1330732), (39, 1023640), (40, 998049), (52, 767730), (60, 665366), (65, 614184), (78, 511820), (104, 383865), (120, 332683), (130, 307092), (156, 255910), (157, 254280), (163, 244920), (195, 204728), (260, 153546), (312, 127955), (314, 127140), (326, 122460), (390, 102364), (471, 84760), (489, 81640), (520, 76773), (628, 63570), (652, 61230), (780, 51182), (785, 50856), (815, 48984), (942, 42380), (978, 40820), (1256, 31785), (1304, 30615), (1560, 25591), (1570, 25428), (1630, 24492), (1884, 21190), (1956, 20410), (2041, 19560), (2119, 18840), (2355, 16952), (2445, 16328), (3140, 12714), (3260, 12246), (3768, 10595), (3912, 10205), (4082, 9780), (4238, 9420), (4710, 8476), (4890, 8164), (6123, 6520), (6280, 6357)]