217312480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:633

約数の個数: 192

約数和(自身を含む): 661893120

約数和(自身を除く): 444580640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 124, 140, 154, 155, 160, 176, 217, 220, 224, 248, 280, 308, 310, 341, 352, 385, 434, 440, 496, 560, 569, 616, 620, 682, 770, 868, 880, 992, 1085, 1120, 1138, 1232, 1240, 1364, 1540, 1705, 1736, 1760, 2170, 2276, 2387, 2464, 2480, 2728, 2845, 3080, 3410, 3472, 3983, 4340, 4552, 4774, 4960, 5456, 5690, 6160, 6259, 6820, 6944, 7966, 8680, 9104, 9548, 10912, 11380, 11935, 12320, 12518, 13640, 15932, 17360, 17639, 18208, 19096, 19915, 22760, 23870, 25036, 27280, 31295, 31864, 34720, 35278, 38192, 39830, 43813, 45520, 47740, 50072, 54560, 62590, 63728, 70556, 76384, 79660, 87626, 88195, 91040, 95480, 100144, 123473, 125180, 127456, 141112, 159320, 175252, 176390, 190960, 194029, 200288, 219065, 246946, 250360, 282224, 318640, 350504, 352780, 381920, 388058, 438130, 493892, 500720, 564448, 617365, 637280, 701008, 705560, 776116, 876260, 970145, 987784, 1001440, 1234730, 1358203, 1402016, 1411120, 1552232, 1752520, 1940290, 1975568, 2469460, 2716406, 2822240, 3104464, 3505040, 3880580, 3951136, 4938920, 5432812, 6208928, 6791015, 7010080, 7761160, 9877840, 10865624, 13582030, 15522320, 19755680, 21731248, 27164060, 31044640, 43462496, 54328120, 108656240, 217312480]

約数ペア:

[(1, 217312480), (2, 108656240), (4, 54328120), (5, 43462496), (7, 31044640), (8, 27164060), (10, 21731248), (11, 19755680), (14, 15522320), (16, 13582030), (20, 10865624), (22, 9877840), (28, 7761160), (31, 7010080), (32, 6791015), (35, 6208928), (40, 5432812), (44, 4938920), (55, 3951136), (56, 3880580), (62, 3505040), (70, 3104464), (77, 2822240), (80, 2716406), (88, 2469460), (110, 1975568), (112, 1940290), (124, 1752520), (140, 1552232), (154, 1411120), (155, 1402016), (160, 1358203), (176, 1234730), (217, 1001440), (220, 987784), (224, 970145), (248, 876260), (280, 776116), (308, 705560), (310, 701008), (341, 637280), (352, 617365), (385, 564448), (434, 500720), (440, 493892), (496, 438130), (560, 388058), (569, 381920), (616, 352780), (620, 350504), (682, 318640), (770, 282224), (868, 250360), (880, 246946), (992, 219065), (1085, 200288), (1120, 194029), (1138, 190960), (1232, 176390), (1240, 175252), (1364, 159320), (1540, 141112), (1705, 127456), (1736, 125180), (1760, 123473), (2170, 100144), (2276, 95480), (2387, 91040), (2464, 88195), (2480, 87626), (2728, 79660), (2845, 76384), (3080, 70556), (3410, 63728), (3472, 62590), (3983, 54560), (4340, 50072), (4552, 47740), (4774, 45520), (4960, 43813), (5456, 39830), (5690, 38192), (6160, 35278), (6259, 34720), (6820, 31864), (6944, 31295), (7966, 27280), (8680, 25036), (9104, 23870), (9548, 22760), (10912, 19915), (11380, 19096), (11935, 18208), (12320, 17639), (12518, 17360), (13640, 15932)]