16204440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 56401920

約数和(自身を除く): 40197480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 101, 105, 120, 140, 168, 191, 202, 210, 280, 303, 382, 404, 420, 505, 573, 606, 707, 764, 808, 840, 955, 1010, 1146, 1212, 1337, 1414, 1515, 1528, 1910, 2020, 2121, 2292, 2424, 2674, 2828, 2865, 3030, 3535, 3820, 4011, 4040, 4242, 4584, 5348, 5656, 5730, 6060, 6685, 7070, 7640, 8022, 8484, 10605, 10696, 11460, 12120, 13370, 14140, 16044, 16968, 19291, 20055, 21210, 22920, 26740, 28280, 32088, 38582, 40110, 42420, 53480, 57873, 77164, 80220, 84840, 96455, 115746, 135037, 154328, 160440, 192910, 231492, 270074, 289365, 385820, 405111, 462984, 540148, 578730, 675185, 771640, 810222, 1080296, 1157460, 1350370, 1620444, 2025555, 2314920, 2700740, 3240888, 4051110, 5401480, 8102220, 16204440]

約数ペア:

[(1, 16204440), (2, 8102220), (3, 5401480), (4, 4051110), (5, 3240888), (6, 2700740), (7, 2314920), (8, 2025555), (10, 1620444), (12, 1350370), (14, 1157460), (15, 1080296), (20, 810222), (21, 771640), (24, 675185), (28, 578730), (30, 540148), (35, 462984), (40, 405111), (42, 385820), (56, 289365), (60, 270074), (70, 231492), (84, 192910), (101, 160440), (105, 154328), (120, 135037), (140, 115746), (168, 96455), (191, 84840), (202, 80220), (210, 77164), (280, 57873), (303, 53480), (382, 42420), (404, 40110), (420, 38582), (505, 32088), (573, 28280), (606, 26740), (707, 22920), (764, 21210), (808, 20055), (840, 19291), (955, 16968), (1010, 16044), (1146, 14140), (1212, 13370), (1337, 12120), (1414, 11460), (1515, 10696), (1528, 10605), (1910, 8484), (2020, 8022), (2121, 7640), (2292, 7070), (2424, 6685), (2674, 6060), (2828, 5730), (2865, 5656), (3030, 5348), (3535, 4584), (3820, 4242), (4011, 4040)]