128158380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2749}}^1$

素因数の和:2808

約数の個数: 144

約数和(自身を含む): 456456000

約数和(自身を除く): 328297620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1554, 1665, 2220, 2331, 2590, 2749, 3108, 3330, 3885, 4662, 5180, 5498, 6660, 7770, 8247, 9324, 10996, 11655, 13745, 15540, 16494, 19243, 23310, 24741, 27490, 32988, 38486, 41235, 46620, 49482, 54980, 57729, 76972, 82470, 96215, 98964, 101713, 115458, 123705, 164940, 173187, 192430, 203426, 230916, 247410, 288645, 305139, 346374, 384860, 406852, 494820, 508565, 577290, 610278, 692748, 711991, 865935, 915417, 1017130, 1154580, 1220556, 1423982, 1525695, 1731870, 1830834, 2034260, 2135973, 2847964, 3051390, 3463740, 3559955, 3661668, 4271946, 4577085, 6102780, 6407919, 7119910, 8543892, 9154170, 10679865, 12815838, 14239820, 18308340, 21359730, 25631676, 32039595, 42719460, 64079190, 128158380]

約数ペア:

[(1, 128158380), (2, 64079190), (3, 42719460), (4, 32039595), (5, 25631676), (6, 21359730), (7, 18308340), (9, 14239820), (10, 12815838), (12, 10679865), (14, 9154170), (15, 8543892), (18, 7119910), (20, 6407919), (21, 6102780), (28, 4577085), (30, 4271946), (35, 3661668), (36, 3559955), (37, 3463740), (42, 3051390), (45, 2847964), (60, 2135973), (63, 2034260), (70, 1830834), (74, 1731870), (84, 1525695), (90, 1423982), (105, 1220556), (111, 1154580), (126, 1017130), (140, 915417), (148, 865935), (180, 711991), (185, 692748), (210, 610278), (222, 577290), (252, 508565), (259, 494820), (315, 406852), (333, 384860), (370, 346374), (420, 305139), (444, 288645), (518, 247410), (555, 230916), (630, 203426), (666, 192430), (740, 173187), (777, 164940), (1036, 123705), (1110, 115458), (1260, 101713), (1295, 98964), (1332, 96215), (1554, 82470), (1665, 76972), (2220, 57729), (2331, 54980), (2590, 49482), (2749, 46620), (3108, 41235), (3330, 38486), (3885, 32988), (4662, 27490), (5180, 24741), (5498, 23310), (6660, 19243), (7770, 16494), (8247, 15540), (9324, 13745), (10996, 11655)]