61585720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 168791040

約数和(自身を除く): 107205320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 73, 92, 115, 131, 140, 146, 161, 184, 230, 262, 280, 292, 322, 365, 460, 511, 524, 584, 644, 655, 730, 805, 917, 920, 1022, 1048, 1288, 1310, 1460, 1610, 1679, 1834, 2044, 2555, 2620, 2920, 3013, 3220, 3358, 3668, 4088, 4585, 5110, 5240, 6026, 6440, 6716, 7336, 8395, 9170, 9563, 10220, 11753, 12052, 13432, 15065, 16790, 18340, 19126, 20440, 21091, 23506, 24104, 30130, 33580, 36680, 38252, 42182, 47012, 47815, 58765, 60260, 66941, 67160, 76504, 84364, 94024, 95630, 105455, 117530, 120520, 133882, 168728, 191260, 210910, 219949, 235060, 267764, 334705, 382520, 421820, 439898, 470120, 535528, 669410, 843640, 879796, 1099745, 1338820, 1539643, 1759592, 2199490, 2677640, 3079286, 4398980, 6158572, 7698215, 8797960, 12317144, 15396430, 30792860, 61585720]

約数ペア:

[(1, 61585720), (2, 30792860), (4, 15396430), (5, 12317144), (7, 8797960), (8, 7698215), (10, 6158572), (14, 4398980), (20, 3079286), (23, 2677640), (28, 2199490), (35, 1759592), (40, 1539643), (46, 1338820), (56, 1099745), (70, 879796), (73, 843640), (92, 669410), (115, 535528), (131, 470120), (140, 439898), (146, 421820), (161, 382520), (184, 334705), (230, 267764), (262, 235060), (280, 219949), (292, 210910), (322, 191260), (365, 168728), (460, 133882), (511, 120520), (524, 117530), (584, 105455), (644, 95630), (655, 94024), (730, 84364), (805, 76504), (917, 67160), (920, 66941), (1022, 60260), (1048, 58765), (1288, 47815), (1310, 47012), (1460, 42182), (1610, 38252), (1679, 36680), (1834, 33580), (2044, 30130), (2555, 24104), (2620, 23506), (2920, 21091), (3013, 20440), (3220, 19126), (3358, 18340), (3668, 16790), (4088, 15065), (4585, 13432), (5110, 12052), (5240, 11753), (6026, 10220), (6440, 9563), (6716, 9170), (7336, 8395)]