680755040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2801}}^1$

素因数の和:2861

約数の個数: 144

約数和(自身を含む): 1931900544

約数和(自身を除く): 1251145504

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, 2801, 3038, 3472, 3920, 4340, 4960, 5602, 6076, 6944, 7595, 7840, 8680, 11204, 12152, 14005, 15190, 17360, 19607, 22408, 24304, 28010, 30380, 34720, 39214, 44816, 48608, 56020, 60760, 78428, 86831, 89632, 98035, 112040, 121520, 137249, 156856, 173662, 196070, 224080, 243040, 274498, 313712, 347324, 392140, 434155, 448160, 548996, 607817, 627424, 686245, 694648, 784280, 868310, 1097992, 1215634, 1372490, 1389296, 1568560, 1736620, 2195984, 2431268, 2744980, 2778592, 3039085, 3137120, 3473240, 4254719, 4391968, 4862536, 5489960, 6078170, 6946480, 8509438, 9725072, 10979920, 12156340, 13892960, 17018876, 19450144, 21273595, 21959840, 24312680, 34037752, 42547190, 48625360, 68075504, 85094380, 97250720, 136151008, 170188760, 340377520, 680755040]

約数ペア:

[(1, 680755040), (2, 340377520), (4, 170188760), (5, 136151008), (7, 97250720), (8, 85094380), (10, 68075504), (14, 48625360), (16, 42547190), (20, 34037752), (28, 24312680), (31, 21959840), (32, 21273595), (35, 19450144), (40, 17018876), (49, 13892960), (56, 12156340), (62, 10979920), (70, 9725072), (80, 8509438), (98, 6946480), (112, 6078170), (124, 5489960), (140, 4862536), (155, 4391968), (160, 4254719), (196, 3473240), (217, 3137120), (224, 3039085), (245, 2778592), (248, 2744980), (280, 2431268), (310, 2195984), (392, 1736620), (434, 1568560), (490, 1389296), (496, 1372490), (560, 1215634), (620, 1097992), (784, 868310), (868, 784280), (980, 694648), (992, 686245), (1085, 627424), (1120, 607817), (1240, 548996), (1519, 448160), (1568, 434155), (1736, 392140), (1960, 347324), (2170, 313712), (2480, 274498), (2801, 243040), (3038, 224080), (3472, 196070), (3920, 173662), (4340, 156856), (4960, 137249), (5602, 121520), (6076, 112040), (6944, 98035), (7595, 89632), (7840, 86831), (8680, 78428), (11204, 60760), (12152, 56020), (14005, 48608), (15190, 44816), (17360, 39214), (19607, 34720), (22408, 30380), (24304, 28010)]