79540740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2711}}^1$

素因数の和:2889

約数の個数: 72

約数和(自身を含む): 242843328

約数和(自身を除く): 163302588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 163, 180, 326, 489, 652, 815, 978, 1467, 1630, 1956, 2445, 2711, 2934, 3260, 4890, 5422, 5868, 7335, 8133, 9780, 10844, 13555, 14670, 16266, 24399, 27110, 29340, 32532, 40665, 48798, 54220, 81330, 97596, 121995, 162660, 243990, 441893, 487980, 883786, 1325679, 1767572, 2209465, 2651358, 3977037, 4418930, 5302716, 6628395, 7954074, 8837860, 13256790, 15908148, 19885185, 26513580, 39770370, 79540740]

約数ペア:

[(1, 79540740), (2, 39770370), (3, 26513580), (4, 19885185), (5, 15908148), (6, 13256790), (9, 8837860), (10, 7954074), (12, 6628395), (15, 5302716), (18, 4418930), (20, 3977037), (30, 2651358), (36, 2209465), (45, 1767572), (60, 1325679), (90, 883786), (163, 487980), (180, 441893), (326, 243990), (489, 162660), (652, 121995), (815, 97596), (978, 81330), (1467, 54220), (1630, 48798), (1956, 40665), (2445, 32532), (2711, 29340), (2934, 27110), (3260, 24399), (4890, 16266), (5422, 14670), (5868, 13555), (7335, 10844), (8133, 9780)]