161222256

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1311

約数の個数: 120

約数和(自身を含む): 493155936

約数和(自身を除く): 331933680

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 71, 72, 78, 104, 117, 142, 144, 156, 208, 213, 234, 284, 312, 426, 468, 568, 624, 639, 852, 923, 936, 1136, 1213, 1278, 1704, 1846, 1872, 2426, 2556, 2769, 3408, 3639, 3692, 4852, 5112, 5538, 7278, 7384, 8307, 9704, 10224, 10917, 11076, 14556, 14768, 15769, 16614, 19408, 21834, 22152, 29112, 31538, 33228, 43668, 44304, 47307, 58224, 63076, 66456, 86123, 87336, 94614, 126152, 132912, 141921, 172246, 174672, 189228, 252304, 258369, 283842, 344492, 378456, 516738, 567684, 688984, 756912, 775107, 1033476, 1119599, 1135368, 1377968, 1550214, 2066952, 2239198, 2270736, 3100428, 3358797, 4133904, 4478396, 6200856, 6717594, 8956792, 10076391, 12401712, 13435188, 17913584, 20152782, 26870376, 40305564, 53740752, 80611128, 161222256]

約数ペア:

[(1, 161222256), (2, 80611128), (3, 53740752), (4, 40305564), (6, 26870376), (8, 20152782), (9, 17913584), (12, 13435188), (13, 12401712), (16, 10076391), (18, 8956792), (24, 6717594), (26, 6200856), (36, 4478396), (39, 4133904), (48, 3358797), (52, 3100428), (71, 2270736), (72, 2239198), (78, 2066952), (104, 1550214), (117, 1377968), (142, 1135368), (144, 1119599), (156, 1033476), (208, 775107), (213, 756912), (234, 688984), (284, 567684), (312, 516738), (426, 378456), (468, 344492), (568, 283842), (624, 258369), (639, 252304), (852, 189228), (923, 174672), (936, 172246), (1136, 141921), (1213, 132912), (1278, 126152), (1704, 94614), (1846, 87336), (1872, 86123), (2426, 66456), (2556, 63076), (2769, 58224), (3408, 47307), (3639, 44304), (3692, 43668), (4852, 33228), (5112, 31538), (5538, 29112), (7278, 22152), (7384, 21834), (8307, 19408), (9704, 16614), (10224, 15769), (10917, 14768), (11076, 14556)]