31334520

素因数分解:

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

素因数の和:174

約数の個数: 144

約数和(自身を含む): 110869560

約数和(自身を除く): 79535040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 73, 84, 98, 105, 120, 140, 146, 147, 168, 196, 210, 219, 245, 280, 292, 294, 365, 392, 420, 438, 490, 511, 584, 588, 730, 735, 840, 876, 980, 1022, 1095, 1176, 1460, 1470, 1533, 1752, 1960, 2044, 2190, 2555, 2920, 2940, 3066, 3577, 4088, 4380, 5110, 5329, 5880, 6132, 7154, 7665, 8760, 10220, 10658, 10731, 12264, 14308, 15330, 15987, 17885, 20440, 21316, 21462, 26645, 28616, 30660, 31974, 35770, 37303, 42632, 42924, 53290, 53655, 61320, 63948, 71540, 74606, 79935, 85848, 106580, 107310, 111909, 127896, 143080, 149212, 159870, 186515, 213160, 214620, 223818, 261121, 298424, 319740, 373030, 429240, 447636, 522242, 559545, 639480, 746060, 783363, 895272, 1044484, 1119090, 1305605, 1492120, 1566726, 2088968, 2238180, 2611210, 3133452, 3916815, 4476360, 5222420, 6266904, 7833630, 10444840, 15667260, 31334520]

約数ペア:

[(1, 31334520), (2, 15667260), (3, 10444840), (4, 7833630), (5, 6266904), (6, 5222420), (7, 4476360), (8, 3916815), (10, 3133452), (12, 2611210), (14, 2238180), (15, 2088968), (20, 1566726), (21, 1492120), (24, 1305605), (28, 1119090), (30, 1044484), (35, 895272), (40, 783363), (42, 746060), (49, 639480), (56, 559545), (60, 522242), (70, 447636), (73, 429240), (84, 373030), (98, 319740), (105, 298424), (120, 261121), (140, 223818), (146, 214620), (147, 213160), (168, 186515), (196, 159870), (210, 149212), (219, 143080), (245, 127896), (280, 111909), (292, 107310), (294, 106580), (365, 85848), (392, 79935), (420, 74606), (438, 71540), (490, 63948), (511, 61320), (584, 53655), (588, 53290), (730, 42924), (735, 42632), (840, 37303), (876, 35770), (980, 31974), (1022, 30660), (1095, 28616), (1176, 26645), (1460, 21462), (1470, 21316), (1533, 20440), (1752, 17885), (1960, 15987), (2044, 15330), (2190, 14308), (2555, 12264), (2920, 10731), (2940, 10658), (3066, 10220), (3577, 8760), (4088, 7665), (4380, 7154), (5110, 6132), (5329, 5880)]