15692450540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{405071}}^1$

素因数の和:405242

約数の個数: 48

約数和(自身を含む): 35727350400

約数和(自身を除く): 20034899860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 149, 260, 298, 596, 745, 1490, 1937, 2980, 3874, 7748, 9685, 19370, 38740, 405071, 810142, 1620284, 2025355, 4050710, 5265923, 8101420, 10531846, 21063692, 26329615, 52659230, 60355579, 105318460, 120711158, 241422316, 301777895, 603555790, 784622527, 1207111580, 1569245054, 3138490108, 3923112635, 7846225270, 15692450540]

約数ペア:

[(1, 15692450540), (2, 7846225270), (4, 3923112635), (5, 3138490108), (10, 1569245054), (13, 1207111580), (20, 784622527), (26, 603555790), (52, 301777895), (65, 241422316), (130, 120711158), (149, 105318460), (260, 60355579), (298, 52659230), (596, 26329615), (745, 21063692), (1490, 10531846), (1937, 8101420), (2980, 5265923), (3874, 4050710), (7748, 2025355), (9685, 1620284), (19370, 810142), (38740, 405071)]