19731139680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{838909}}^1$

素因数の和:838941

約数の個数: 144

約数和(自身を含む): 72300619440

約数和(自身を除く): 52569479760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 23520, 838909, 1677818, 2516727, 3355636, 4194545, 5033454, 5872363, 6711272, 8389090, 10066908, 11744726, 12583635, 13422544, 16778180, 17617089, 20133816, 23489452, 25167270, 26845088, 29361815, 33556360, 35234178, 40267632, 41106541, 46978904, 50334540, 58723630, 67112720, 70468356, 80535264, 82213082, 88085445, 93957808, 100669080, 117447260, 123319623, 134225440, 140936712, 164426164, 176170890, 187915616, 201338160, 205532705, 234894520, 246639246, 281873424, 328852328, 352341780, 402676320, 411065410, 469789040, 493278492, 563746848, 616598115, 657704656, 704683560, 822130820, 939578080, 986556984, 1233196230, 1315409312, 1409367120, 1644261640, 1973113968, 2466392460, 2818734240, 3288523280, 3946227936, 4932784920, 6577046560, 9865569840, 19731139680]

約数ペア:

[(1, 19731139680), (2, 9865569840), (3, 6577046560), (4, 4932784920), (5, 3946227936), (6, 3288523280), (7, 2818734240), (8, 2466392460), (10, 1973113968), (12, 1644261640), (14, 1409367120), (15, 1315409312), (16, 1233196230), (20, 986556984), (21, 939578080), (24, 822130820), (28, 704683560), (30, 657704656), (32, 616598115), (35, 563746848), (40, 493278492), (42, 469789040), (48, 411065410), (49, 402676320), (56, 352341780), (60, 328852328), (70, 281873424), (80, 246639246), (84, 234894520), (96, 205532705), (98, 201338160), (105, 187915616), (112, 176170890), (120, 164426164), (140, 140936712), (147, 134225440), (160, 123319623), (168, 117447260), (196, 100669080), (210, 93957808), (224, 88085445), (240, 82213082), (245, 80535264), (280, 70468356), (294, 67112720), (336, 58723630), (392, 50334540), (420, 46978904), (480, 41106541), (490, 40267632), (560, 35234178), (588, 33556360), (672, 29361815), (735, 26845088), (784, 25167270), (840, 23489452), (980, 20133816), (1120, 17617089), (1176, 16778180), (1470, 13422544), (1568, 12583635), (1680, 11744726), (1960, 10066908), (2352, 8389090), (2940, 6711272), (3360, 5872363), (3920, 5033454), (4704, 4194545), (5880, 3355636), (7840, 2516727), (11760, 1677818), (23520, 838909)]