255210480

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{16879}}^1$

素因数の和:16908

約数の個数: 160

約数和(自身を含む): 1004697600

約数和(自身を除く): 749487120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 16879, 33758, 50637, 67516, 84395, 101274, 118153, 135032, 151911, 168790, 202548, 236306, 253185, 270064, 303822, 337580, 354459, 405096, 455733, 472612, 506370, 590765, 607644, 675160, 708918, 759555, 810192, 911466, 945224, 1012740, 1063377, 1181530, 1215288, 1350320, 1417836, 1519110, 1772295, 1822932, 1890448, 2025480, 2126754, 2278665, 2363060, 2430576, 2835672, 3038220, 3190131, 3544590, 3645864, 4050960, 4253508, 4557330, 4726120, 5316885, 5671344, 6076440, 6380262, 7089180, 7291728, 8507016, 9114660, 9452240, 10633770, 12152880, 12760524, 14178360, 15950655, 17014032, 18229320, 21267540, 25521048, 28356720, 31901310, 36458640, 42535080, 51042096, 63802620, 85070160, 127605240, 255210480]

約数ペア:

[(1, 255210480), (2, 127605240), (3, 85070160), (4, 63802620), (5, 51042096), (6, 42535080), (7, 36458640), (8, 31901310), (9, 28356720), (10, 25521048), (12, 21267540), (14, 18229320), (15, 17014032), (16, 15950655), (18, 14178360), (20, 12760524), (21, 12152880), (24, 10633770), (27, 9452240), (28, 9114660), (30, 8507016), (35, 7291728), (36, 7089180), (40, 6380262), (42, 6076440), (45, 5671344), (48, 5316885), (54, 4726120), (56, 4557330), (60, 4253508), (63, 4050960), (70, 3645864), (72, 3544590), (80, 3190131), (84, 3038220), (90, 2835672), (105, 2430576), (108, 2363060), (112, 2278665), (120, 2126754), (126, 2025480), (135, 1890448), (140, 1822932), (144, 1772295), (168, 1519110), (180, 1417836), (189, 1350320), (210, 1215288), (216, 1181530), (240, 1063377), (252, 1012740), (270, 945224), (280, 911466), (315, 810192), (336, 759555), (360, 708918), (378, 675160), (420, 607644), (432, 590765), (504, 506370), (540, 472612), (560, 455733), (630, 405096), (720, 354459), (756, 337580), (840, 303822), (945, 270064), (1008, 253185), (1080, 236306), (1260, 202548), (1512, 168790), (1680, 151911), (1890, 135032), (2160, 118153), (2520, 101274), (3024, 84395), (3780, 67516), (5040, 50637), (7560, 33758), (15120, 16879)]