82467980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 219098880

約数和(自身を除く): 136630900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 43, 49, 70, 76, 86, 95, 98, 103, 133, 140, 172, 190, 196, 206, 215, 245, 266, 301, 380, 412, 430, 490, 515, 532, 602, 665, 721, 817, 860, 931, 980, 1030, 1204, 1330, 1442, 1505, 1634, 1862, 1957, 2060, 2107, 2660, 2884, 3010, 3268, 3605, 3724, 3914, 4085, 4214, 4429, 4655, 5047, 5719, 6020, 7210, 7828, 8170, 8428, 8858, 9310, 9785, 10094, 10535, 11438, 13699, 14420, 16340, 17716, 18620, 19570, 20188, 21070, 22145, 22876, 25235, 27398, 28595, 31003, 39140, 40033, 42140, 44290, 50470, 54796, 57190, 62006, 68495, 80066, 84151, 88580, 95893, 100940, 114380, 124012, 136990, 155015, 160132, 168302, 191786, 200165, 217021, 273980, 310030, 336604, 383572, 400330, 420755, 434042, 479465, 589057, 620060, 800660, 841510, 868084, 958930, 1085105, 1178114, 1683020, 1917860, 2170210, 2356228, 2945285, 4123399, 4340420, 5890570, 8246798, 11781140, 16493596, 20616995, 41233990, 82467980]

約数ペア:

[(1, 82467980), (2, 41233990), (4, 20616995), (5, 16493596), (7, 11781140), (10, 8246798), (14, 5890570), (19, 4340420), (20, 4123399), (28, 2945285), (35, 2356228), (38, 2170210), (43, 1917860), (49, 1683020), (70, 1178114), (76, 1085105), (86, 958930), (95, 868084), (98, 841510), (103, 800660), (133, 620060), (140, 589057), (172, 479465), (190, 434042), (196, 420755), (206, 400330), (215, 383572), (245, 336604), (266, 310030), (301, 273980), (380, 217021), (412, 200165), (430, 191786), (490, 168302), (515, 160132), (532, 155015), (602, 136990), (665, 124012), (721, 114380), (817, 100940), (860, 95893), (931, 88580), (980, 84151), (1030, 80066), (1204, 68495), (1330, 62006), (1442, 57190), (1505, 54796), (1634, 50470), (1862, 44290), (1957, 42140), (2060, 40033), (2107, 39140), (2660, 31003), (2884, 28595), (3010, 27398), (3268, 25235), (3605, 22876), (3724, 22145), (3914, 21070), (4085, 20188), (4214, 19570), (4429, 18620), (4655, 17716), (5047, 16340), (5719, 14420), (6020, 13699), (7210, 11438), (7828, 10535), (8170, 10094), (8428, 9785), (8858, 9310)]