15820560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 240

約数和(自身を含む): 62984064

約数和(自身を除く): 47163504

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 43, 45, 48, 56, 60, 63, 70, 72, 73, 80, 84, 86, 90, 105, 112, 120, 126, 129, 140, 144, 146, 168, 172, 180, 210, 215, 219, 240, 252, 258, 280, 292, 301, 315, 336, 344, 360, 365, 387, 420, 430, 438, 504, 511, 516, 560, 584, 602, 630, 645, 657, 688, 720, 730, 774, 840, 860, 876, 903, 1008, 1022, 1032, 1095, 1168, 1204, 1260, 1290, 1314, 1460, 1505, 1533, 1548, 1680, 1720, 1752, 1806, 1935, 2044, 2064, 2190, 2408, 2520, 2555, 2580, 2628, 2709, 2920, 3010, 3066, 3096, 3139, 3285, 3440, 3504, 3612, 3870, 4088, 4380, 4515, 4599, 4816, 5040, 5110, 5160, 5256, 5418, 5840, 6020, 6132, 6192, 6278, 6570, 7224, 7665, 7740, 8176, 8760, 9030, 9198, 9417, 10220, 10320, 10512, 10836, 12040, 12264, 12556, 13140, 13545, 14448, 15330, 15480, 15695, 17520, 18060, 18396, 18834, 20440, 21672, 21973, 22995, 24080, 24528, 25112, 26280, 27090, 28251, 30660, 30960, 31390, 36120, 36792, 37668, 40880, 43344, 43946, 45990, 47085, 50224, 52560, 54180, 56502, 61320, 62780, 65919, 72240, 73584, 75336, 87892, 91980, 94170, 108360, 109865, 113004, 122640, 125560, 131838, 141255, 150672, 175784, 183960, 188340, 197757, 216720, 219730, 226008, 251120, 263676, 282510, 329595, 351568, 367920, 376680, 395514, 439460, 452016, 527352, 565020, 659190, 753360, 791028, 878920, 988785, 1054704, 1130040, 1318380, 1582056, 1757840, 1977570, 2260080, 2636760, 3164112, 3955140, 5273520, 7910280, 15820560]

約数ペア:

[(1, 15820560), (2, 7910280), (3, 5273520), (4, 3955140), (5, 3164112), (6, 2636760), (7, 2260080), (8, 1977570), (9, 1757840), (10, 1582056), (12, 1318380), (14, 1130040), (15, 1054704), (16, 988785), (18, 878920), (20, 791028), (21, 753360), (24, 659190), (28, 565020), (30, 527352), (35, 452016), (36, 439460), (40, 395514), (42, 376680), (43, 367920), (45, 351568), (48, 329595), (56, 282510), (60, 263676), (63, 251120), (70, 226008), (72, 219730), (73, 216720), (80, 197757), (84, 188340), (86, 183960), (90, 175784), (105, 150672), (112, 141255), (120, 131838), (126, 125560), (129, 122640), (140, 113004), (144, 109865), (146, 108360), (168, 94170), (172, 91980), (180, 87892), (210, 75336), (215, 73584), (219, 72240), (240, 65919), (252, 62780), (258, 61320), (280, 56502), (292, 54180), (301, 52560), (315, 50224), (336, 47085), (344, 45990), (360, 43946), (365, 43344), (387, 40880), (420, 37668), (430, 36792), (438, 36120), (504, 31390), (511, 30960), (516, 30660), (560, 28251), (584, 27090), (602, 26280), (630, 25112), (645, 24528), (657, 24080), (688, 22995), (720, 21973), (730, 21672), (774, 20440), (840, 18834), (860, 18396), (876, 18060), (903, 17520), (1008, 15695), (1022, 15480), (1032, 15330), (1095, 14448), (1168, 13545), (1204, 13140), (1260, 12556), (1290, 12264), (1314, 12040), (1460, 10836), (1505, 10512), (1533, 10320), (1548, 10220), (1680, 9417), (1720, 9198), (1752, 9030), (1806, 8760), (1935, 8176), (2044, 7740), (2064, 7665), (2190, 7224), (2408, 6570), (2520, 6278), (2555, 6192), (2580, 6132), (2628, 6020), (2709, 5840), (2920, 5418), (3010, 5256), (3066, 5160), (3096, 5110), (3139, 5040), (3285, 4816), (3440, 4599), (3504, 4515), (3612, 4380), (3870, 4088)]