161017800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{79}}^2$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 517310640

約数和(自身を除く): 356292840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 43, 50, 60, 75, 79, 86, 100, 120, 129, 150, 158, 172, 200, 215, 237, 258, 300, 316, 344, 395, 430, 474, 516, 600, 632, 645, 790, 860, 948, 1032, 1075, 1185, 1290, 1580, 1720, 1896, 1975, 2150, 2370, 2580, 3160, 3225, 3397, 3950, 4300, 4740, 5160, 5925, 6241, 6450, 6794, 7900, 8600, 9480, 10191, 11850, 12482, 12900, 13588, 15800, 16985, 18723, 20382, 23700, 24964, 25800, 27176, 31205, 33970, 37446, 40764, 47400, 49928, 50955, 62410, 67940, 74892, 81528, 84925, 93615, 101910, 124820, 135880, 149784, 156025, 169850, 187230, 203820, 249640, 254775, 268363, 312050, 339700, 374460, 407640, 468075, 509550, 536726, 624100, 679400, 748920, 805089, 936150, 1019100, 1073452, 1248200, 1341815, 1610178, 1872300, 2038200, 2146904, 2683630, 3220356, 3744600, 4025445, 5367260, 6440712, 6709075, 8050890, 10734520, 13418150, 16101780, 20127225, 26836300, 32203560, 40254450, 53672600, 80508900, 161017800]

約数ペア:

[(1, 161017800), (2, 80508900), (3, 53672600), (4, 40254450), (5, 32203560), (6, 26836300), (8, 20127225), (10, 16101780), (12, 13418150), (15, 10734520), (20, 8050890), (24, 6709075), (25, 6440712), (30, 5367260), (40, 4025445), (43, 3744600), (50, 3220356), (60, 2683630), (75, 2146904), (79, 2038200), (86, 1872300), (100, 1610178), (120, 1341815), (129, 1248200), (150, 1073452), (158, 1019100), (172, 936150), (200, 805089), (215, 748920), (237, 679400), (258, 624100), (300, 536726), (316, 509550), (344, 468075), (395, 407640), (430, 374460), (474, 339700), (516, 312050), (600, 268363), (632, 254775), (645, 249640), (790, 203820), (860, 187230), (948, 169850), (1032, 156025), (1075, 149784), (1185, 135880), (1290, 124820), (1580, 101910), (1720, 93615), (1896, 84925), (1975, 81528), (2150, 74892), (2370, 67940), (2580, 62410), (3160, 50955), (3225, 49928), (3397, 47400), (3950, 40764), (4300, 37446), (4740, 33970), (5160, 31205), (5925, 27176), (6241, 25800), (6450, 24964), (6794, 23700), (7900, 20382), (8600, 18723), (9480, 16985), (10191, 15800), (11850, 13588), (12482, 12900)]