30428840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 74390400

約数和(自身を除く): 43961560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 163, 260, 326, 359, 520, 652, 718, 815, 1304, 1436, 1630, 1795, 2119, 2872, 3260, 3590, 4238, 4667, 6520, 7180, 8476, 9334, 10595, 14360, 16952, 18668, 21190, 23335, 37336, 42380, 46670, 58517, 84760, 93340, 117034, 186680, 234068, 292585, 468136, 585170, 760721, 1170340, 1521442, 2340680, 3042884, 3803605, 6085768, 7607210, 15214420, 30428840]

約数ペア:

[(1, 30428840), (2, 15214420), (4, 7607210), (5, 6085768), (8, 3803605), (10, 3042884), (13, 2340680), (20, 1521442), (26, 1170340), (40, 760721), (52, 585170), (65, 468136), (104, 292585), (130, 234068), (163, 186680), (260, 117034), (326, 93340), (359, 84760), (520, 58517), (652, 46670), (718, 42380), (815, 37336), (1304, 23335), (1436, 21190), (1630, 18668), (1795, 16952), (2119, 14360), (2872, 10595), (3260, 9334), (3590, 8476), (4238, 7180), (4667, 6520)]