20174280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 192

約数和(自身を含む): 72887040

約数和(自身を除く): 52712760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 49, 56, 60, 70, 73, 84, 94, 98, 105, 120, 140, 141, 146, 147, 168, 188, 196, 210, 219, 235, 245, 280, 282, 292, 294, 329, 365, 376, 392, 420, 438, 470, 490, 511, 564, 584, 588, 658, 705, 730, 735, 840, 876, 940, 980, 987, 1022, 1095, 1128, 1176, 1316, 1410, 1460, 1470, 1533, 1645, 1752, 1880, 1960, 1974, 2044, 2190, 2303, 2555, 2632, 2820, 2920, 2940, 3066, 3290, 3431, 3577, 3948, 4088, 4380, 4606, 4935, 5110, 5640, 5880, 6132, 6580, 6862, 6909, 7154, 7665, 7896, 8760, 9212, 9870, 10220, 10293, 10731, 11515, 12264, 13160, 13724, 13818, 14308, 15330, 17155, 17885, 18424, 19740, 20440, 20586, 21462, 23030, 24017, 27448, 27636, 28616, 30660, 34310, 34545, 35770, 39480, 41172, 42924, 46060, 48034, 51465, 53655, 55272, 61320, 68620, 69090, 71540, 72051, 82344, 85848, 92120, 96068, 102930, 107310, 120085, 137240, 138180, 143080, 144102, 168119, 192136, 205860, 214620, 240170, 276360, 288204, 336238, 360255, 411720, 429240, 480340, 504357, 576408, 672476, 720510, 840595, 960680, 1008714, 1344952, 1441020, 1681190, 2017428, 2521785, 2882040, 3362380, 4034856, 5043570, 6724760, 10087140, 20174280]

約数ペア:

[(1, 20174280), (2, 10087140), (3, 6724760), (4, 5043570), (5, 4034856), (6, 3362380), (7, 2882040), (8, 2521785), (10, 2017428), (12, 1681190), (14, 1441020), (15, 1344952), (20, 1008714), (21, 960680), (24, 840595), (28, 720510), (30, 672476), (35, 576408), (40, 504357), (42, 480340), (47, 429240), (49, 411720), (56, 360255), (60, 336238), (70, 288204), (73, 276360), (84, 240170), (94, 214620), (98, 205860), (105, 192136), (120, 168119), (140, 144102), (141, 143080), (146, 138180), (147, 137240), (168, 120085), (188, 107310), (196, 102930), (210, 96068), (219, 92120), (235, 85848), (245, 82344), (280, 72051), (282, 71540), (292, 69090), (294, 68620), (329, 61320), (365, 55272), (376, 53655), (392, 51465), (420, 48034), (438, 46060), (470, 42924), (490, 41172), (511, 39480), (564, 35770), (584, 34545), (588, 34310), (658, 30660), (705, 28616), (730, 27636), (735, 27448), (840, 24017), (876, 23030), (940, 21462), (980, 20586), (987, 20440), (1022, 19740), (1095, 18424), (1128, 17885), (1176, 17155), (1316, 15330), (1410, 14308), (1460, 13818), (1470, 13724), (1533, 13160), (1645, 12264), (1752, 11515), (1880, 10731), (1960, 10293), (1974, 10220), (2044, 9870), (2190, 9212), (2303, 8760), (2555, 7896), (2632, 7665), (2820, 7154), (2920, 6909), (2940, 6862), (3066, 6580), (3290, 6132), (3431, 5880), (3577, 5640), (3948, 5110), (4088, 4935), (4380, 4606)]