256316760

素因数分解:

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

素因数の和:2810

約数の個数: 192

約数和(自身を含む): 978120000

約数和(自身を除く): 721803240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 56, 60, 63, 70, 72, 74, 84, 90, 105, 111, 120, 126, 140, 148, 168, 180, 185, 210, 222, 252, 259, 280, 296, 315, 333, 360, 370, 420, 444, 504, 518, 555, 630, 666, 740, 777, 840, 888, 1036, 1110, 1260, 1295, 1332, 1480, 1554, 1665, 2072, 2220, 2331, 2520, 2590, 2664, 2749, 3108, 3330, 3885, 4440, 4662, 5180, 5498, 6216, 6660, 7770, 8247, 9324, 10360, 10996, 11655, 13320, 13745, 15540, 16494, 18648, 19243, 21992, 23310, 24741, 27490, 31080, 32988, 38486, 41235, 46620, 49482, 54980, 57729, 65976, 76972, 82470, 93240, 96215, 98964, 101713, 109960, 115458, 123705, 153944, 164940, 173187, 192430, 197928, 203426, 230916, 247410, 288645, 305139, 329880, 346374, 384860, 406852, 461832, 494820, 508565, 577290, 610278, 692748, 711991, 769720, 813704, 865935, 915417, 989640, 1017130, 1154580, 1220556, 1385496, 1423982, 1525695, 1731870, 1830834, 2034260, 2135973, 2309160, 2441112, 2847964, 3051390, 3463740, 3559955, 3661668, 4068520, 4271946, 4577085, 5695928, 6102780, 6407919, 6927480, 7119910, 7323336, 8543892, 9154170, 10679865, 12205560, 12815838, 14239820, 17087784, 18308340, 21359730, 25631676, 28479640, 32039595, 36616680, 42719460, 51263352, 64079190, 85438920, 128158380, 256316760]

約数ペア:

[(1, 256316760), (2, 128158380), (3, 85438920), (4, 64079190), (5, 51263352), (6, 42719460), (7, 36616680), (8, 32039595), (9, 28479640), (10, 25631676), (12, 21359730), (14, 18308340), (15, 17087784), (18, 14239820), (20, 12815838), (21, 12205560), (24, 10679865), (28, 9154170), (30, 8543892), (35, 7323336), (36, 7119910), (37, 6927480), (40, 6407919), (42, 6102780), (45, 5695928), (56, 4577085), (60, 4271946), (63, 4068520), (70, 3661668), (72, 3559955), (74, 3463740), (84, 3051390), (90, 2847964), (105, 2441112), (111, 2309160), (120, 2135973), (126, 2034260), (140, 1830834), (148, 1731870), (168, 1525695), (180, 1423982), (185, 1385496), (210, 1220556), (222, 1154580), (252, 1017130), (259, 989640), (280, 915417), (296, 865935), (315, 813704), (333, 769720), (360, 711991), (370, 692748), (420, 610278), (444, 577290), (504, 508565), (518, 494820), (555, 461832), (630, 406852), (666, 384860), (740, 346374), (777, 329880), (840, 305139), (888, 288645), (1036, 247410), (1110, 230916), (1260, 203426), (1295, 197928), (1332, 192430), (1480, 173187), (1554, 164940), (1665, 153944), (2072, 123705), (2220, 115458), (2331, 109960), (2520, 101713), (2590, 98964), (2664, 96215), (2749, 93240), (3108, 82470), (3330, 76972), (3885, 65976), (4440, 57729), (4662, 54980), (5180, 49482), (5498, 46620), (6216, 41235), (6660, 38486), (7770, 32988), (8247, 31080), (9324, 27490), (10360, 24741), (10996, 23310), (11655, 21992), (13320, 19243), (13745, 18648), (15540, 16494)]