15978200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 43256160

約数和(自身を除く): 27277960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 101, 113, 140, 175, 200, 202, 226, 280, 350, 404, 452, 505, 565, 700, 707, 791, 808, 904, 1010, 1130, 1400, 1414, 1582, 2020, 2260, 2525, 2825, 2828, 3164, 3535, 3955, 4040, 4520, 5050, 5650, 5656, 6328, 7070, 7910, 10100, 11300, 11413, 14140, 15820, 17675, 19775, 20200, 22600, 22826, 28280, 31640, 35350, 39550, 45652, 57065, 70700, 79100, 79891, 91304, 114130, 141400, 158200, 159782, 228260, 285325, 319564, 399455, 456520, 570650, 639128, 798910, 1141300, 1597820, 1997275, 2282600, 3195640, 3994550, 7989100, 15978200]

約数ペア:

[(1, 15978200), (2, 7989100), (4, 3994550), (5, 3195640), (7, 2282600), (8, 1997275), (10, 1597820), (14, 1141300), (20, 798910), (25, 639128), (28, 570650), (35, 456520), (40, 399455), (50, 319564), (56, 285325), (70, 228260), (100, 159782), (101, 158200), (113, 141400), (140, 114130), (175, 91304), (200, 79891), (202, 79100), (226, 70700), (280, 57065), (350, 45652), (404, 39550), (452, 35350), (505, 31640), (565, 28280), (700, 22826), (707, 22600), (791, 20200), (808, 19775), (904, 17675), (1010, 15820), (1130, 14140), (1400, 11413), (1414, 11300), (1582, 10100), (2020, 7910), (2260, 7070), (2525, 6328), (2825, 5656), (2828, 5650), (3164, 5050), (3535, 4520), (3955, 4040)]