178510020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{228859}}^1$

素因数の和:228884

約数の個数: 48

約数和(自身を含む): 538278720

約数和(自身を除く): 359768700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 228859, 457718, 686577, 915436, 1144295, 1373154, 2288590, 2746308, 2975167, 3432885, 4577180, 5950334, 6865770, 8925501, 11900668, 13731540, 14875835, 17851002, 29751670, 35702004, 44627505, 59503340, 89255010, 178510020]

約数ペア:

[(1, 178510020), (2, 89255010), (3, 59503340), (4, 44627505), (5, 35702004), (6, 29751670), (10, 17851002), (12, 14875835), (13, 13731540), (15, 11900668), (20, 8925501), (26, 6865770), (30, 5950334), (39, 4577180), (52, 3432885), (60, 2975167), (65, 2746308), (78, 2288590), (130, 1373154), (156, 1144295), (195, 915436), (260, 686577), (390, 457718), (780, 228859)]