30485340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{659}}^1$

素因数の和:931

約数の個数: 72

約数和(自身を含む): 92972880

約数和(自身を除く): 62487540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 659, 771, 1028, 1285, 1318, 1542, 1977, 2313, 2570, 2636, 3084, 3295, 3855, 3954, 4626, 5140, 5931, 6590, 7710, 7908, 9252, 9885, 11565, 11862, 13180, 15420, 19770, 23130, 23724, 29655, 39540, 46260, 59310, 118620, 169363, 338726, 508089, 677452, 846815, 1016178, 1524267, 1693630, 2032356, 2540445, 3048534, 3387260, 5080890, 6097068, 7621335, 10161780, 15242670, 30485340]

約数ペア:

[(1, 30485340), (2, 15242670), (3, 10161780), (4, 7621335), (5, 6097068), (6, 5080890), (9, 3387260), (10, 3048534), (12, 2540445), (15, 2032356), (18, 1693630), (20, 1524267), (30, 1016178), (36, 846815), (45, 677452), (60, 508089), (90, 338726), (180, 169363), (257, 118620), (514, 59310), (659, 46260), (771, 39540), (1028, 29655), (1285, 23724), (1318, 23130), (1542, 19770), (1977, 15420), (2313, 13180), (2570, 11862), (2636, 11565), (3084, 9885), (3295, 9252), (3855, 7908), (3954, 7710), (4626, 6590), (5140, 5931)]