161769780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:646

約数の個数: 144

約数和(自身を含む): 517031424

約数和(自身を除く): 355261644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 53, 60, 62, 90, 93, 106, 124, 155, 159, 180, 186, 212, 265, 279, 310, 318, 372, 465, 477, 530, 547, 558, 620, 636, 795, 930, 954, 1060, 1094, 1116, 1395, 1590, 1641, 1643, 1860, 1908, 2188, 2385, 2735, 2790, 3180, 3282, 3286, 4770, 4923, 4929, 5470, 5580, 6564, 6572, 8205, 8215, 9540, 9846, 9858, 10940, 14787, 16410, 16430, 16957, 19692, 19716, 24615, 24645, 28991, 29574, 32820, 32860, 33914, 49230, 49290, 50871, 57982, 59148, 67828, 73935, 84785, 86973, 98460, 98580, 101742, 115964, 144955, 147870, 152613, 169570, 173946, 203484, 254355, 260919, 289910, 295740, 305226, 339140, 347892, 434865, 508710, 521838, 579820, 610452, 763065, 869730, 898721, 1017420, 1043676, 1304595, 1526130, 1739460, 1797442, 2609190, 2696163, 3052260, 3594884, 4493605, 5218380, 5392326, 8088489, 8987210, 10784652, 13480815, 16176978, 17974420, 26961630, 32353956, 40442445, 53923260, 80884890, 161769780]

約数ペア:

[(1, 161769780), (2, 80884890), (3, 53923260), (4, 40442445), (5, 32353956), (6, 26961630), (9, 17974420), (10, 16176978), (12, 13480815), (15, 10784652), (18, 8987210), (20, 8088489), (30, 5392326), (31, 5218380), (36, 4493605), (45, 3594884), (53, 3052260), (60, 2696163), (62, 2609190), (90, 1797442), (93, 1739460), (106, 1526130), (124, 1304595), (155, 1043676), (159, 1017420), (180, 898721), (186, 869730), (212, 763065), (265, 610452), (279, 579820), (310, 521838), (318, 508710), (372, 434865), (465, 347892), (477, 339140), (530, 305226), (547, 295740), (558, 289910), (620, 260919), (636, 254355), (795, 203484), (930, 173946), (954, 169570), (1060, 152613), (1094, 147870), (1116, 144955), (1395, 115964), (1590, 101742), (1641, 98580), (1643, 98460), (1860, 86973), (1908, 84785), (2188, 73935), (2385, 67828), (2735, 59148), (2790, 57982), (3180, 50871), (3282, 49290), (3286, 49230), (4770, 33914), (4923, 32860), (4929, 32820), (5470, 29574), (5580, 28991), (6564, 24645), (6572, 24615), (8205, 19716), (8215, 19692), (9540, 16957), (9846, 16430), (9858, 16410), (10940, 14787)]