15704009960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{138679}}^1$

素因数の和:138858

約数の個数: 64

約数和(自身を含む): 37443600000

約数和(自身を除く): 21739590040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 149, 152, 190, 298, 380, 596, 745, 760, 1192, 1490, 2831, 2980, 5662, 5960, 11324, 14155, 22648, 28310, 56620, 113240, 138679, 277358, 554716, 693395, 1109432, 1386790, 2634901, 2773580, 5269802, 5547160, 10539604, 13174505, 20663171, 21079208, 26349010, 41326342, 52698020, 82652684, 103315855, 105396040, 165305368, 206631710, 392600249, 413263420, 785200498, 826526840, 1570400996, 1963001245, 3140801992, 3926002490, 7852004980, 15704009960]

約数ペア:

[(1, 15704009960), (2, 7852004980), (4, 3926002490), (5, 3140801992), (8, 1963001245), (10, 1570400996), (19, 826526840), (20, 785200498), (38, 413263420), (40, 392600249), (76, 206631710), (95, 165305368), (149, 105396040), (152, 103315855), (190, 82652684), (298, 52698020), (380, 41326342), (596, 26349010), (745, 21079208), (760, 20663171), (1192, 13174505), (1490, 10539604), (2831, 5547160), (2980, 5269802), (5662, 2773580), (5960, 2634901), (11324, 1386790), (14155, 1109432), (22648, 693395), (28310, 554716), (56620, 277358), (113240, 138679)]