61398840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 192234240

約数和(自身を除く): 130835400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 73, 86, 120, 129, 146, 163, 172, 215, 219, 258, 292, 326, 344, 365, 430, 438, 489, 516, 584, 645, 652, 730, 815, 860, 876, 978, 1032, 1095, 1290, 1304, 1460, 1630, 1720, 1752, 1956, 2190, 2445, 2580, 2920, 3139, 3260, 3912, 4380, 4890, 5160, 6278, 6520, 7009, 8760, 9417, 9780, 11899, 12556, 14018, 15695, 18834, 19560, 21027, 23798, 25112, 28036, 31390, 35045, 35697, 37668, 42054, 47085, 47596, 56072, 59495, 62780, 70090, 71394, 75336, 84108, 94170, 95192, 105135, 118990, 125560, 140180, 142788, 168216, 178485, 188340, 210270, 237980, 280360, 285576, 356970, 376680, 420540, 475960, 511657, 713940, 841080, 1023314, 1427880, 1534971, 2046628, 2558285, 3069942, 4093256, 5116570, 6139884, 7674855, 10233140, 12279768, 15349710, 20466280, 30699420, 61398840]

約数ペア:

[(1, 61398840), (2, 30699420), (3, 20466280), (4, 15349710), (5, 12279768), (6, 10233140), (8, 7674855), (10, 6139884), (12, 5116570), (15, 4093256), (20, 3069942), (24, 2558285), (30, 2046628), (40, 1534971), (43, 1427880), (60, 1023314), (73, 841080), (86, 713940), (120, 511657), (129, 475960), (146, 420540), (163, 376680), (172, 356970), (215, 285576), (219, 280360), (258, 237980), (292, 210270), (326, 188340), (344, 178485), (365, 168216), (430, 142788), (438, 140180), (489, 125560), (516, 118990), (584, 105135), (645, 95192), (652, 94170), (730, 84108), (815, 75336), (860, 71394), (876, 70090), (978, 62780), (1032, 59495), (1095, 56072), (1290, 47596), (1304, 47085), (1460, 42054), (1630, 37668), (1720, 35697), (1752, 35045), (1956, 31390), (2190, 28036), (2445, 25112), (2580, 23798), (2920, 21027), (3139, 19560), (3260, 18834), (3912, 15695), (4380, 14018), (4890, 12556), (5160, 11899), (6278, 9780), (6520, 9417), (7009, 8760)]