123171440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 160

約数和(自身を含む): 348834816

約数和(自身を除く): 225663376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 73, 80, 92, 112, 115, 131, 140, 146, 161, 184, 230, 262, 280, 292, 322, 365, 368, 460, 511, 524, 560, 584, 644, 655, 730, 805, 917, 920, 1022, 1048, 1168, 1288, 1310, 1460, 1610, 1679, 1834, 1840, 2044, 2096, 2555, 2576, 2620, 2920, 3013, 3220, 3358, 3668, 4088, 4585, 5110, 5240, 5840, 6026, 6440, 6716, 7336, 8176, 8395, 9170, 9563, 10220, 10480, 11753, 12052, 12880, 13432, 14672, 15065, 16790, 18340, 19126, 20440, 21091, 23506, 24104, 26864, 30130, 33580, 36680, 38252, 40880, 42182, 47012, 47815, 48208, 58765, 60260, 66941, 67160, 73360, 76504, 84364, 94024, 95630, 105455, 117530, 120520, 133882, 134320, 153008, 168728, 188048, 191260, 210910, 219949, 235060, 241040, 267764, 334705, 337456, 382520, 421820, 439898, 470120, 535528, 669410, 765040, 843640, 879796, 940240, 1071056, 1099745, 1338820, 1539643, 1687280, 1759592, 2199490, 2677640, 3079286, 3519184, 4398980, 5355280, 6158572, 7698215, 8797960, 12317144, 15396430, 17595920, 24634288, 30792860, 61585720, 123171440]

約数ペア:

[(1, 123171440), (2, 61585720), (4, 30792860), (5, 24634288), (7, 17595920), (8, 15396430), (10, 12317144), (14, 8797960), (16, 7698215), (20, 6158572), (23, 5355280), (28, 4398980), (35, 3519184), (40, 3079286), (46, 2677640), (56, 2199490), (70, 1759592), (73, 1687280), (80, 1539643), (92, 1338820), (112, 1099745), (115, 1071056), (131, 940240), (140, 879796), (146, 843640), (161, 765040), (184, 669410), (230, 535528), (262, 470120), (280, 439898), (292, 421820), (322, 382520), (365, 337456), (368, 334705), (460, 267764), (511, 241040), (524, 235060), (560, 219949), (584, 210910), (644, 191260), (655, 188048), (730, 168728), (805, 153008), (917, 134320), (920, 133882), (1022, 120520), (1048, 117530), (1168, 105455), (1288, 95630), (1310, 94024), (1460, 84364), (1610, 76504), (1679, 73360), (1834, 67160), (1840, 66941), (2044, 60260), (2096, 58765), (2555, 48208), (2576, 47815), (2620, 47012), (2920, 42182), (3013, 40880), (3220, 38252), (3358, 36680), (3668, 33580), (4088, 30130), (4585, 26864), (5110, 24104), (5240, 23506), (5840, 21091), (6026, 20440), (6440, 19126), (6716, 18340), (7336, 16790), (8176, 15065), (8395, 14672), (9170, 13432), (9563, 12880), (10220, 12052), (10480, 11753)]