256545090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1889}}^1$

素因数の和:2408

約数の個数: 64

約数和(自身を含む): 685843200

約数和(自身を除く): 429298110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 503, 1006, 1509, 1889, 2515, 3018, 3778, 4527, 5030, 5667, 7545, 9054, 9445, 11334, 13581, 15090, 17001, 18890, 22635, 27162, 28335, 34002, 45270, 51003, 56670, 67905, 85005, 102006, 135810, 170010, 255015, 510030, 950167, 1900334, 2850501, 4750835, 5701002, 8551503, 9501670, 14252505, 17103006, 25654509, 28505010, 42757515, 51309018, 85515030, 128272545, 256545090]

約数ペア:

[(1, 256545090), (2, 128272545), (3, 85515030), (5, 51309018), (6, 42757515), (9, 28505010), (10, 25654509), (15, 17103006), (18, 14252505), (27, 9501670), (30, 8551503), (45, 5701002), (54, 4750835), (90, 2850501), (135, 1900334), (270, 950167), (503, 510030), (1006, 255015), (1509, 170010), (1889, 135810), (2515, 102006), (3018, 85005), (3778, 67905), (4527, 56670), (5030, 51003), (5667, 45270), (7545, 34002), (9054, 28335), (9445, 27162), (11334, 22635), (13581, 18890), (15090, 17001)]