7882680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 26449920

約数和(自身を除く): 18567240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 163, 186, 195, 248, 260, 310, 312, 326, 372, 390, 403, 465, 489, 520, 620, 652, 744, 780, 806, 815, 930, 978, 1209, 1240, 1304, 1560, 1612, 1630, 1860, 1956, 2015, 2119, 2418, 2445, 3224, 3260, 3720, 3912, 4030, 4238, 4836, 4890, 5053, 6045, 6357, 6520, 8060, 8476, 9672, 9780, 10106, 10595, 12090, 12714, 15159, 16120, 16952, 19560, 20212, 21190, 24180, 25265, 25428, 30318, 31785, 40424, 42380, 48360, 50530, 50856, 60636, 63570, 65689, 75795, 84760, 101060, 121272, 127140, 131378, 151590, 197067, 202120, 254280, 262756, 303180, 328445, 394134, 525512, 606360, 656890, 788268, 985335, 1313780, 1576536, 1970670, 2627560, 3941340, 7882680]

約数ペア:

[(1, 7882680), (2, 3941340), (3, 2627560), (4, 1970670), (5, 1576536), (6, 1313780), (8, 985335), (10, 788268), (12, 656890), (13, 606360), (15, 525512), (20, 394134), (24, 328445), (26, 303180), (30, 262756), (31, 254280), (39, 202120), (40, 197067), (52, 151590), (60, 131378), (62, 127140), (65, 121272), (78, 101060), (93, 84760), (104, 75795), (120, 65689), (124, 63570), (130, 60636), (155, 50856), (156, 50530), (163, 48360), (186, 42380), (195, 40424), (248, 31785), (260, 30318), (310, 25428), (312, 25265), (326, 24180), (372, 21190), (390, 20212), (403, 19560), (465, 16952), (489, 16120), (520, 15159), (620, 12714), (652, 12090), (744, 10595), (780, 10106), (806, 9780), (815, 9672), (930, 8476), (978, 8060), (1209, 6520), (1240, 6357), (1304, 6045), (1560, 5053), (1612, 4890), (1630, 4836), (1860, 4238), (1956, 4030), (2015, 3912), (2119, 3720), (2418, 3260), (2445, 3224)]