254280

素因数分解:

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

素因数の和:190

約数の個数: 64

約数和(自身を含む): 826560

約数和(自身を除く): 572280

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, 163, 195, 260, 312, 326, 390, 489, 520, 652, 780, 815, 978, 1304, 1560, 1630, 1956, 2119, 2445, 3260, 3912, 4238, 4890, 6357, 6520, 8476, 9780, 10595, 12714, 16952, 19560, 21190, 25428, 31785, 42380, 50856, 63570, 84760, 127140, 254280]

約数ペア:

[(1, 254280), (2, 127140), (3, 84760), (4, 63570), (5, 50856), (6, 42380), (8, 31785), (10, 25428), (12, 21190), (13, 19560), (15, 16952), (20, 12714), (24, 10595), (26, 9780), (30, 8476), (39, 6520), (40, 6357), (52, 4890), (60, 4238), (65, 3912), (78, 3260), (104, 2445), (120, 2119), (130, 1956), (156, 1630), (163, 1560), (195, 1304), (260, 978), (312, 815), (326, 780), (390, 652), (489, 520)]