254312760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163021}}^1$

素因数の和:163048

約数の個数: 64

約数和(自身を含む): 821630880

約数和(自身を除く): 567318120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 163021, 326042, 489063, 652084, 815105, 978126, 1304168, 1630210, 1956252, 2119273, 2445315, 3260420, 3912504, 4238546, 4890630, 6357819, 6520840, 8477092, 9781260, 10596365, 12715638, 16954184, 19562520, 21192730, 25431276, 31789095, 42385460, 50862552, 63578190, 84770920, 127156380, 254312760]

約数ペア:

[(1, 254312760), (2, 127156380), (3, 84770920), (4, 63578190), (5, 50862552), (6, 42385460), (8, 31789095), (10, 25431276), (12, 21192730), (13, 19562520), (15, 16954184), (20, 12715638), (24, 10596365), (26, 9781260), (30, 8477092), (39, 6520840), (40, 6357819), (52, 4890630), (60, 4238546), (65, 3912504), (78, 3260420), (104, 2445315), (120, 2119273), (130, 1956252), (156, 1630210), (195, 1304168), (260, 978126), (312, 815105), (390, 652084), (520, 489063), (780, 326042), (1560, 163021)]