80847760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6277}}^1$

素因数の和:6320

約数の個数: 80

約数和(自身を含む): 224199936

約数和(自身を除く): 143352176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6277, 6440, 12554, 12880, 25108, 31385, 43939, 50216, 62770, 87878, 100432, 125540, 144371, 175756, 219695, 251080, 288742, 351512, 439390, 502160, 577484, 703024, 721855, 878780, 1010597, 1154968, 1443710, 1757560, 2021194, 2309936, 2887420, 3515120, 4042388, 5052985, 5774840, 8084776, 10105970, 11549680, 16169552, 20211940, 40423880, 80847760]

約数ペア:

[(1, 80847760), (2, 40423880), (4, 20211940), (5, 16169552), (7, 11549680), (8, 10105970), (10, 8084776), (14, 5774840), (16, 5052985), (20, 4042388), (23, 3515120), (28, 2887420), (35, 2309936), (40, 2021194), (46, 1757560), (56, 1443710), (70, 1154968), (80, 1010597), (92, 878780), (112, 721855), (115, 703024), (140, 577484), (161, 502160), (184, 439390), (230, 351512), (280, 288742), (322, 251080), (368, 219695), (460, 175756), (560, 144371), (644, 125540), (805, 100432), (920, 87878), (1288, 62770), (1610, 50216), (1840, 43939), (2576, 31385), (3220, 25108), (6277, 12880), (6440, 12554)]