13720280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2579}}^1$

素因数の和:2616

約数の個数: 64

約数和(自身を含む): 37152000

約数和(自身を除く): 23431720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2579, 2660, 5158, 5320, 10316, 12895, 18053, 20632, 25790, 36106, 49001, 51580, 72212, 90265, 98002, 103160, 144424, 180530, 196004, 245005, 343007, 361060, 392008, 490010, 686014, 722120, 980020, 1372028, 1715035, 1960040, 2744056, 3430070, 6860140, 13720280]

約数ペア:

[(1, 13720280), (2, 6860140), (4, 3430070), (5, 2744056), (7, 1960040), (8, 1715035), (10, 1372028), (14, 980020), (19, 722120), (20, 686014), (28, 490010), (35, 392008), (38, 361060), (40, 343007), (56, 245005), (70, 196004), (76, 180530), (95, 144424), (133, 103160), (140, 98002), (152, 90265), (190, 72212), (266, 51580), (280, 49001), (380, 36106), (532, 25790), (665, 20632), (760, 18053), (1064, 12895), (1330, 10316), (2579, 5320), (2660, 5158)]