678324640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2791}}^1$

素因数の和:2851

約数の個数: 144

約数和(自身を含む): 1925005824

約数和(自身を除く): 1246681184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 992, 1085, 1120, 1240, 1519, 1568, 1736, 1960, 2170, 2480, 2791, 3038, 3472, 3920, 4340, 4960, 5582, 6076, 6944, 7595, 7840, 8680, 11164, 12152, 13955, 15190, 17360, 19537, 22328, 24304, 27910, 30380, 34720, 39074, 44656, 48608, 55820, 60760, 78148, 86521, 89312, 97685, 111640, 121520, 136759, 156296, 173042, 195370, 223280, 243040, 273518, 312592, 346084, 390740, 432605, 446560, 547036, 605647, 625184, 683795, 692168, 781480, 865210, 1094072, 1211294, 1367590, 1384336, 1562960, 1730420, 2188144, 2422588, 2735180, 2768672, 3028235, 3125920, 3460840, 4239529, 4376288, 4845176, 5470360, 6056470, 6921680, 8479058, 9690352, 10940720, 12112940, 13843360, 16958116, 19380704, 21197645, 21881440, 24225880, 33916232, 42395290, 48451760, 67832464, 84790580, 96903520, 135664928, 169581160, 339162320, 678324640]

約数ペア:

[(1, 678324640), (2, 339162320), (4, 169581160), (5, 135664928), (7, 96903520), (8, 84790580), (10, 67832464), (14, 48451760), (16, 42395290), (20, 33916232), (28, 24225880), (31, 21881440), (32, 21197645), (35, 19380704), (40, 16958116), (49, 13843360), (56, 12112940), (62, 10940720), (70, 9690352), (80, 8479058), (98, 6921680), (112, 6056470), (124, 5470360), (140, 4845176), (155, 4376288), (160, 4239529), (196, 3460840), (217, 3125920), (224, 3028235), (245, 2768672), (248, 2735180), (280, 2422588), (310, 2188144), (392, 1730420), (434, 1562960), (490, 1384336), (496, 1367590), (560, 1211294), (620, 1094072), (784, 865210), (868, 781480), (980, 692168), (992, 683795), (1085, 625184), (1120, 605647), (1240, 547036), (1519, 446560), (1568, 432605), (1736, 390740), (1960, 346084), (2170, 312592), (2480, 273518), (2791, 243040), (3038, 223280), (3472, 195370), (3920, 173042), (4340, 156296), (4960, 136759), (5582, 121520), (6076, 111640), (6944, 97685), (7595, 89312), (7840, 86521), (8680, 78148), (11164, 60760), (12152, 55820), (13955, 48608), (15190, 44656), (17360, 39074), (19537, 34720), (22328, 30380), (24304, 27910)]