15839964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 46126080

約数和(自身を除く): 30286116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 239, 252, 263, 478, 526, 717, 789, 956, 1052, 1434, 1578, 1673, 1841, 2151, 2367, 2868, 3156, 3346, 3682, 4302, 4734, 5019, 5523, 6692, 7364, 8604, 9468, 10038, 11046, 15057, 16569, 20076, 22092, 30114, 33138, 60228, 62857, 66276, 125714, 188571, 251428, 377142, 439999, 565713, 754284, 879998, 1131426, 1319997, 1759996, 2262852, 2639994, 3959991, 5279988, 7919982, 15839964]

約数ペア:

[(1, 15839964), (2, 7919982), (3, 5279988), (4, 3959991), (6, 2639994), (7, 2262852), (9, 1759996), (12, 1319997), (14, 1131426), (18, 879998), (21, 754284), (28, 565713), (36, 439999), (42, 377142), (63, 251428), (84, 188571), (126, 125714), (239, 66276), (252, 62857), (263, 60228), (478, 33138), (526, 30114), (717, 22092), (789, 20076), (956, 16569), (1052, 15057), (1434, 11046), (1578, 10038), (1673, 9468), (1841, 8604), (2151, 7364), (2367, 6692), (2868, 5523), (3156, 5019), (3346, 4734), (3682, 4302)]