1778459360

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{11239}}^1$

素因数の和:11320

約数の個数: 96

約数和(自身を含む): 4486648320

約数和(自身を除く): 2708188960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 43, 46, 80, 86, 92, 115, 160, 172, 184, 215, 230, 344, 368, 430, 460, 688, 736, 860, 920, 989, 1376, 1720, 1840, 1978, 3440, 3680, 3956, 4945, 6880, 7912, 9890, 11239, 15824, 19780, 22478, 31648, 39560, 44956, 56195, 79120, 89912, 112390, 158240, 179824, 224780, 258497, 359648, 449560, 483277, 516994, 899120, 966554, 1033988, 1292485, 1798240, 1933108, 2067976, 2416385, 2584970, 3866216, 4135952, 4832770, 5169940, 7732432, 8271904, 9665540, 10339880, 11115371, 15464864, 19331080, 20679760, 22230742, 38662160, 41359520, 44461484, 55576855, 77324320, 88922968, 111153710, 177845936, 222307420, 355691872, 444614840, 889229680, 1778459360]

約数ペア:

[(1, 1778459360), (2, 889229680), (4, 444614840), (5, 355691872), (8, 222307420), (10, 177845936), (16, 111153710), (20, 88922968), (23, 77324320), (32, 55576855), (40, 44461484), (43, 41359520), (46, 38662160), (80, 22230742), (86, 20679760), (92, 19331080), (115, 15464864), (160, 11115371), (172, 10339880), (184, 9665540), (215, 8271904), (230, 7732432), (344, 5169940), (368, 4832770), (430, 4135952), (460, 3866216), (688, 2584970), (736, 2416385), (860, 2067976), (920, 1933108), (989, 1798240), (1376, 1292485), (1720, 1033988), (1840, 966554), (1978, 899120), (3440, 516994), (3680, 483277), (3956, 449560), (4945, 359648), (6880, 258497), (7912, 224780), (9890, 179824), (11239, 158240), (15824, 112390), (19780, 89912), (22478, 79120), (31648, 56195), (39560, 44956)]