254747220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 288

約数和(自身を含む): 915925248

約数和(自身を除く): 661178028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 37, 39, 42, 52, 60, 65, 70, 74, 78, 84, 91, 97, 105, 111, 130, 140, 148, 156, 169, 182, 185, 194, 195, 210, 222, 259, 260, 273, 291, 338, 364, 370, 388, 390, 420, 444, 455, 481, 485, 507, 518, 546, 555, 582, 676, 679, 740, 777, 780, 845, 910, 962, 970, 1014, 1036, 1092, 1110, 1164, 1183, 1261, 1295, 1358, 1365, 1443, 1455, 1554, 1690, 1820, 1924, 1940, 2028, 2037, 2220, 2366, 2405, 2522, 2535, 2590, 2716, 2730, 2886, 2910, 3108, 3367, 3380, 3395, 3549, 3589, 3783, 3885, 4074, 4732, 4810, 5044, 5070, 5180, 5460, 5772, 5820, 5915, 6253, 6305, 6734, 6790, 7098, 7178, 7215, 7566, 7770, 8148, 8827, 9620, 10101, 10140, 10185, 10767, 11830, 12506, 12610, 13468, 13580, 14196, 14356, 14430, 15132, 15540, 16393, 16835, 17654, 17745, 17945, 18759, 18915, 20202, 20370, 21534, 23660, 25012, 25123, 25220, 26481, 28860, 31265, 32786, 33670, 35308, 35490, 35890, 37518, 37830, 40404, 40740, 43068, 43771, 44135, 46657, 49179, 50246, 50505, 52962, 53835, 62530, 65572, 67340, 70980, 71780, 75036, 75369, 75660, 81965, 87542, 88270, 93314, 93795, 98358, 100492, 101010, 105924, 107670, 114751, 125060, 125615, 131313, 132405, 139971, 150738, 163930, 175084, 176540, 186628, 187590, 196716, 202020, 215340, 218855, 229502, 233285, 245895, 251230, 262626, 264810, 279942, 301476, 326599, 327860, 344253, 375180, 376845, 437710, 459004, 466570, 491790, 502460, 525252, 529620, 559884, 573755, 606541, 653198, 656565, 688506, 699855, 753690, 875420, 933140, 979797, 983580, 1147510, 1213082, 1306396, 1313130, 1377012, 1399710, 1507380, 1632995, 1721265, 1819623, 1959594, 2295020, 2426164, 2626260, 2799420, 3032705, 3265990, 3442530, 3639246, 3919188, 4245787, 4898985, 6065410, 6531980, 6885060, 7278492, 8491574, 9098115, 9797970, 12130820, 12737361, 16983148, 18196230, 19595940, 21228935, 25474722, 36392460, 42457870, 50949444, 63686805, 84915740, 127373610, 254747220]

約数ペア:

[(1, 254747220), (2, 127373610), (3, 84915740), (4, 63686805), (5, 50949444), (6, 42457870), (7, 36392460), (10, 25474722), (12, 21228935), (13, 19595940), (14, 18196230), (15, 16983148), (20, 12737361), (21, 12130820), (26, 9797970), (28, 9098115), (30, 8491574), (35, 7278492), (37, 6885060), (39, 6531980), (42, 6065410), (52, 4898985), (60, 4245787), (65, 3919188), (70, 3639246), (74, 3442530), (78, 3265990), (84, 3032705), (91, 2799420), (97, 2626260), (105, 2426164), (111, 2295020), (130, 1959594), (140, 1819623), (148, 1721265), (156, 1632995), (169, 1507380), (182, 1399710), (185, 1377012), (194, 1313130), (195, 1306396), (210, 1213082), (222, 1147510), (259, 983580), (260, 979797), (273, 933140), (291, 875420), (338, 753690), (364, 699855), (370, 688506), (388, 656565), (390, 653198), (420, 606541), (444, 573755), (455, 559884), (481, 529620), (485, 525252), (507, 502460), (518, 491790), (546, 466570), (555, 459004), (582, 437710), (676, 376845), (679, 375180), (740, 344253), (777, 327860), (780, 326599), (845, 301476), (910, 279942), (962, 264810), (970, 262626), (1014, 251230), (1036, 245895), (1092, 233285), (1110, 229502), (1164, 218855), (1183, 215340), (1261, 202020), (1295, 196716), (1358, 187590), (1365, 186628), (1443, 176540), (1455, 175084), (1554, 163930), (1690, 150738), (1820, 139971), (1924, 132405), (1940, 131313), (2028, 125615), (2037, 125060), (2220, 114751), (2366, 107670), (2405, 105924), (2522, 101010), (2535, 100492), (2590, 98358), (2716, 93795), (2730, 93314), (2886, 88270), (2910, 87542), (3108, 81965), (3367, 75660), (3380, 75369), (3395, 75036), (3549, 71780), (3589, 70980), (3783, 67340), (3885, 65572), (4074, 62530), (4732, 53835), (4810, 52962), (5044, 50505), (5070, 50246), (5180, 49179), (5460, 46657), (5772, 44135), (5820, 43771), (5915, 43068), (6253, 40740), (6305, 40404), (6734, 37830), (6790, 37518), (7098, 35890), (7178, 35490), (7215, 35308), (7566, 33670), (7770, 32786), (8148, 31265), (8827, 28860), (9620, 26481), (10101, 25220), (10140, 25123), (10185, 25012), (10767, 23660), (11830, 21534), (12506, 20370), (12610, 20202), (13468, 18915), (13580, 18759), (14196, 17945), (14356, 17745), (14430, 17654), (15132, 16835), (15540, 16393)]