30661880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{673}}^1$

素因数の和:768

約数の個数: 64

約数和(自身を含む): 74247840

約数和(自身を除く): 43585960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 134, 136, 170, 268, 335, 340, 536, 670, 673, 680, 1139, 1340, 1346, 2278, 2680, 2692, 3365, 4556, 5384, 5695, 6730, 9112, 11390, 11441, 13460, 22780, 22882, 26920, 45091, 45560, 45764, 57205, 90182, 91528, 114410, 180364, 225455, 228820, 360728, 450910, 457640, 766547, 901820, 1533094, 1803640, 3066188, 3832735, 6132376, 7665470, 15330940, 30661880]

約数ペア:

[(1, 30661880), (2, 15330940), (4, 7665470), (5, 6132376), (8, 3832735), (10, 3066188), (17, 1803640), (20, 1533094), (34, 901820), (40, 766547), (67, 457640), (68, 450910), (85, 360728), (134, 228820), (136, 225455), (170, 180364), (268, 114410), (335, 91528), (340, 90182), (536, 57205), (670, 45764), (673, 45560), (680, 45091), (1139, 26920), (1340, 22882), (1346, 22780), (2278, 13460), (2680, 11441), (2692, 11390), (3365, 9112), (4556, 6730), (5384, 5695)]