77956380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2657}}^1$

素因数の和:2835

約数の個数: 72

約数和(自身を含む): 238007952

約数和(自身を除く): 160051572

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, 2657, 2934, 3260, 4890, 5314, 5868, 7335, 7971, 9780, 10628, 13285, 14670, 15942, 23913, 26570, 29340, 31884, 39855, 47826, 53140, 79710, 95652, 119565, 159420, 239130, 433091, 478260, 866182, 1299273, 1732364, 2165455, 2598546, 3897819, 4330910, 5197092, 6496365, 7795638, 8661820, 12992730, 15591276, 19489095, 25985460, 38978190, 77956380]

約数ペア:

[(1, 77956380), (2, 38978190), (3, 25985460), (4, 19489095), (5, 15591276), (6, 12992730), (9, 8661820), (10, 7795638), (12, 6496365), (15, 5197092), (18, 4330910), (20, 3897819), (30, 2598546), (36, 2165455), (45, 1732364), (60, 1299273), (90, 866182), (163, 478260), (180, 433091), (326, 239130), (489, 159420), (652, 119565), (815, 95652), (978, 79710), (1467, 53140), (1630, 47826), (1956, 39855), (2445, 31884), (2657, 29340), (2934, 26570), (3260, 23913), (4890, 15942), (5314, 14670), (5868, 13285), (7335, 10628), (7971, 9780)]