205299480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:829

約数の個数: 128

約数和(自身を含む): 657305280

約数和(自身を除く): 452005800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 157, 170, 204, 255, 314, 340, 408, 471, 510, 628, 641, 680, 785, 942, 1020, 1256, 1282, 1570, 1884, 1923, 2040, 2355, 2564, 2669, 3140, 3205, 3768, 3846, 4710, 5128, 5338, 6280, 6410, 7692, 8007, 9420, 9615, 10676, 10897, 12820, 13345, 15384, 16014, 18840, 19230, 21352, 21794, 25640, 26690, 32028, 32691, 38460, 40035, 43588, 53380, 54485, 64056, 65382, 76920, 80070, 87176, 100637, 106760, 108970, 130764, 160140, 163455, 201274, 217940, 261528, 301911, 320280, 326910, 402548, 435880, 503185, 603822, 653820, 805096, 1006370, 1207644, 1307640, 1509555, 1710829, 2012740, 2415288, 3019110, 3421658, 4025480, 5132487, 6038220, 6843316, 8554145, 10264974, 12076440, 13686632, 17108290, 20529948, 25662435, 34216580, 41059896, 51324870, 68433160, 102649740, 205299480]

約数ペア:

[(1, 205299480), (2, 102649740), (3, 68433160), (4, 51324870), (5, 41059896), (6, 34216580), (8, 25662435), (10, 20529948), (12, 17108290), (15, 13686632), (17, 12076440), (20, 10264974), (24, 8554145), (30, 6843316), (34, 6038220), (40, 5132487), (51, 4025480), (60, 3421658), (68, 3019110), (85, 2415288), (102, 2012740), (120, 1710829), (136, 1509555), (157, 1307640), (170, 1207644), (204, 1006370), (255, 805096), (314, 653820), (340, 603822), (408, 503185), (471, 435880), (510, 402548), (628, 326910), (641, 320280), (680, 301911), (785, 261528), (942, 217940), (1020, 201274), (1256, 163455), (1282, 160140), (1570, 130764), (1884, 108970), (1923, 106760), (2040, 100637), (2355, 87176), (2564, 80070), (2669, 76920), (3140, 65382), (3205, 64056), (3768, 54485), (3846, 53380), (4710, 43588), (5128, 40035), (5338, 38460), (6280, 32691), (6410, 32028), (7692, 26690), (8007, 25640), (9420, 21794), (9615, 21352), (10676, 19230), (10897, 18840), (12820, 16014), (13345, 15384)]