256559280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{56263}}^1$

素因数の和:56298

約数の個数: 80

約数和(自身を含む): 837208320

約数和(自身を除く): 580649040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 56263, 112526, 168789, 225052, 281315, 337578, 450104, 562630, 675156, 843945, 900208, 1068997, 1125260, 1350312, 1687890, 2137994, 2250520, 2700624, 3206991, 3375780, 4275988, 4501040, 5344985, 6413982, 6751560, 8551976, 10689970, 12827964, 13503120, 16034955, 17103952, 21379940, 25655928, 32069910, 42759880, 51311856, 64139820, 85519760, 128279640, 256559280]

約数ペア:

[(1, 256559280), (2, 128279640), (3, 85519760), (4, 64139820), (5, 51311856), (6, 42759880), (8, 32069910), (10, 25655928), (12, 21379940), (15, 17103952), (16, 16034955), (19, 13503120), (20, 12827964), (24, 10689970), (30, 8551976), (38, 6751560), (40, 6413982), (48, 5344985), (57, 4501040), (60, 4275988), (76, 3375780), (80, 3206991), (95, 2700624), (114, 2250520), (120, 2137994), (152, 1687890), (190, 1350312), (228, 1125260), (240, 1068997), (285, 900208), (304, 843945), (380, 675156), (456, 562630), (570, 450104), (760, 337578), (912, 281315), (1140, 225052), (1520, 168789), (2280, 112526), (4560, 56263)]