204420840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2221}}^1$

素因数の和:2307

約数の個数: 128

約数和(自身を含む): 671932800

約数和(自身を除く): 467511960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 59, 60, 65, 78, 104, 118, 120, 130, 156, 177, 195, 236, 260, 295, 312, 354, 390, 472, 520, 590, 708, 767, 780, 885, 1180, 1416, 1534, 1560, 1770, 2221, 2301, 2360, 3068, 3540, 3835, 4442, 4602, 6136, 6663, 7080, 7670, 8884, 9204, 11105, 11505, 13326, 15340, 17768, 18408, 22210, 23010, 26652, 28873, 30680, 33315, 44420, 46020, 53304, 57746, 66630, 86619, 88840, 92040, 115492, 131039, 133260, 144365, 173238, 230984, 262078, 266520, 288730, 346476, 393117, 433095, 524156, 577460, 655195, 692952, 786234, 866190, 1048312, 1154920, 1310390, 1572468, 1703507, 1732380, 1965585, 2620780, 3144936, 3407014, 3464760, 3931170, 5110521, 5241560, 6814028, 7862340, 8517535, 10221042, 13628056, 15724680, 17035070, 20442084, 25552605, 34070140, 40884168, 51105210, 68140280, 102210420, 204420840]

約数ペア:

[(1, 204420840), (2, 102210420), (3, 68140280), (4, 51105210), (5, 40884168), (6, 34070140), (8, 25552605), (10, 20442084), (12, 17035070), (13, 15724680), (15, 13628056), (20, 10221042), (24, 8517535), (26, 7862340), (30, 6814028), (39, 5241560), (40, 5110521), (52, 3931170), (59, 3464760), (60, 3407014), (65, 3144936), (78, 2620780), (104, 1965585), (118, 1732380), (120, 1703507), (130, 1572468), (156, 1310390), (177, 1154920), (195, 1048312), (236, 866190), (260, 786234), (295, 692952), (312, 655195), (354, 577460), (390, 524156), (472, 433095), (520, 393117), (590, 346476), (708, 288730), (767, 266520), (780, 262078), (885, 230984), (1180, 173238), (1416, 144365), (1534, 133260), (1560, 131039), (1770, 115492), (2221, 92040), (2301, 88840), (2360, 86619), (3068, 66630), (3540, 57746), (3835, 53304), (4442, 46020), (4602, 44420), (6136, 33315), (6663, 30680), (7080, 28873), (7670, 26652), (8884, 23010), (9204, 22210), (11105, 18408), (11505, 17768), (13326, 15340)]