81984180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{2393}}^1$

素因数の和:2976

約数の個数: 48

約数和(自身を含む): 230053824

約数和(自身を除く): 148069644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 571, 1142, 1713, 2284, 2393, 2855, 3426, 4786, 5710, 6852, 7179, 8565, 9572, 11420, 11965, 14358, 17130, 23930, 28716, 34260, 35895, 47860, 71790, 143580, 1366403, 2732806, 4099209, 5465612, 6832015, 8198418, 13664030, 16396836, 20496045, 27328060, 40992090, 81984180]

約数ペア:

[(1, 81984180), (2, 40992090), (3, 27328060), (4, 20496045), (5, 16396836), (6, 13664030), (10, 8198418), (12, 6832015), (15, 5465612), (20, 4099209), (30, 2732806), (60, 1366403), (571, 143580), (1142, 71790), (1713, 47860), (2284, 35895), (2393, 34260), (2855, 28716), (3426, 23930), (4786, 17130), (5710, 14358), (6852, 11965), (7179, 11420), (8565, 9572)]