256907040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3167}}^1$

素因数の和:3211

約数の個数: 144

約数和(自身を含む): 876572928

約数和(自身を除く): 619665888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 240, 260, 312, 338, 390, 416, 480, 507, 520, 624, 676, 780, 845, 1014, 1040, 1248, 1352, 1560, 1690, 2028, 2080, 2535, 2704, 3120, 3167, 3380, 4056, 5070, 5408, 6240, 6334, 6760, 8112, 9501, 10140, 12668, 13520, 15835, 16224, 19002, 20280, 25336, 27040, 31670, 38004, 40560, 41171, 47505, 50672, 63340, 76008, 81120, 82342, 95010, 101344, 123513, 126680, 152016, 164684, 190020, 205855, 247026, 253360, 304032, 329368, 380040, 411710, 494052, 506720, 535223, 617565, 658736, 760080, 823420, 988104, 1070446, 1235130, 1317472, 1520160, 1605669, 1646840, 1976208, 2140892, 2470260, 2676115, 3211338, 3293680, 3952416, 4281784, 4940520, 5352230, 6422676, 6587360, 8028345, 8563568, 9881040, 10704460, 12845352, 16056690, 17127136, 19762080, 21408920, 25690704, 32113380, 42817840, 51381408, 64226760, 85635680, 128453520, 256907040]

約数ペア:

[(1, 256907040), (2, 128453520), (3, 85635680), (4, 64226760), (5, 51381408), (6, 42817840), (8, 32113380), (10, 25690704), (12, 21408920), (13, 19762080), (15, 17127136), (16, 16056690), (20, 12845352), (24, 10704460), (26, 9881040), (30, 8563568), (32, 8028345), (39, 6587360), (40, 6422676), (48, 5352230), (52, 4940520), (60, 4281784), (65, 3952416), (78, 3293680), (80, 3211338), (96, 2676115), (104, 2470260), (120, 2140892), (130, 1976208), (156, 1646840), (160, 1605669), (169, 1520160), (195, 1317472), (208, 1235130), (240, 1070446), (260, 988104), (312, 823420), (338, 760080), (390, 658736), (416, 617565), (480, 535223), (507, 506720), (520, 494052), (624, 411710), (676, 380040), (780, 329368), (845, 304032), (1014, 253360), (1040, 247026), (1248, 205855), (1352, 190020), (1560, 164684), (1690, 152016), (2028, 126680), (2080, 123513), (2535, 101344), (2704, 95010), (3120, 82342), (3167, 81120), (3380, 76008), (4056, 63340), (5070, 50672), (5408, 47505), (6240, 41171), (6334, 40560), (6760, 38004), (8112, 31670), (9501, 27040), (10140, 25336), (12668, 20280), (13520, 19002), (15835, 16224)]