15678650540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{372061}}^1$

素因数の和:372127

約数の個数: 72

約数和(自身を含む): 39191522832

約数和(自身を除く): 23512872292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 4214, 6020, 8428, 10535, 21070, 42140, 372061, 744122, 1488244, 1860305, 2604427, 3720610, 5208854, 7441220, 10417708, 13022135, 15998623, 18230989, 26044270, 31997246, 36461978, 52088540, 63994492, 72923956, 79993115, 91154945, 111990361, 159986230, 182309890, 223980722, 319972460, 364619780, 447961444, 559951805, 783932527, 1119903610, 1567865054, 2239807220, 3135730108, 3919662635, 7839325270, 15678650540]

約数ペア:

[(1, 15678650540), (2, 7839325270), (4, 3919662635), (5, 3135730108), (7, 2239807220), (10, 1567865054), (14, 1119903610), (20, 783932527), (28, 559951805), (35, 447961444), (43, 364619780), (49, 319972460), (70, 223980722), (86, 182309890), (98, 159986230), (140, 111990361), (172, 91154945), (196, 79993115), (215, 72923956), (245, 63994492), (301, 52088540), (430, 36461978), (490, 31997246), (602, 26044270), (860, 18230989), (980, 15998623), (1204, 13022135), (1505, 10417708), (2107, 7441220), (3010, 5208854), (4214, 3720610), (6020, 2604427), (8428, 1860305), (10535, 1488244), (21070, 744122), (42140, 372061)]