68530140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:556

約数の個数: 144

約数和(自身を含む): 239908032

約数和(自身を除く): 171377892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 137, 140, 180, 210, 252, 274, 315, 397, 411, 420, 548, 630, 685, 794, 822, 959, 1191, 1233, 1260, 1370, 1588, 1644, 1918, 1985, 2055, 2382, 2466, 2740, 2779, 2877, 3573, 3836, 3970, 4110, 4764, 4795, 4932, 5558, 5754, 5955, 6165, 7146, 7940, 8220, 8337, 8631, 9590, 11116, 11508, 11910, 12330, 13895, 14292, 14385, 16674, 17262, 17865, 19180, 23820, 24660, 25011, 27790, 28770, 33348, 34524, 35730, 41685, 43155, 50022, 54389, 55580, 57540, 71460, 83370, 86310, 100044, 108778, 125055, 163167, 166740, 172620, 217556, 250110, 271945, 326334, 380723, 489501, 500220, 543890, 652668, 761446, 815835, 979002, 1087780, 1142169, 1522892, 1631670, 1903615, 1958004, 2284338, 2447505, 3263340, 3426507, 3807230, 4568676, 4895010, 5710845, 6853014, 7614460, 9790020, 11421690, 13706028, 17132535, 22843380, 34265070, 68530140]

約数ペア:

[(1, 68530140), (2, 34265070), (3, 22843380), (4, 17132535), (5, 13706028), (6, 11421690), (7, 9790020), (9, 7614460), (10, 6853014), (12, 5710845), (14, 4895010), (15, 4568676), (18, 3807230), (20, 3426507), (21, 3263340), (28, 2447505), (30, 2284338), (35, 1958004), (36, 1903615), (42, 1631670), (45, 1522892), (60, 1142169), (63, 1087780), (70, 979002), (84, 815835), (90, 761446), (105, 652668), (126, 543890), (137, 500220), (140, 489501), (180, 380723), (210, 326334), (252, 271945), (274, 250110), (315, 217556), (397, 172620), (411, 166740), (420, 163167), (548, 125055), (630, 108778), (685, 100044), (794, 86310), (822, 83370), (959, 71460), (1191, 57540), (1233, 55580), (1260, 54389), (1370, 50022), (1588, 43155), (1644, 41685), (1918, 35730), (1985, 34524), (2055, 33348), (2382, 28770), (2466, 27790), (2740, 25011), (2779, 24660), (2877, 23820), (3573, 19180), (3836, 17865), (3970, 17262), (4110, 16674), (4764, 14385), (4795, 14292), (4932, 13895), (5558, 12330), (5754, 11910), (5955, 11508), (6165, 11116), (7146, 9590), (7940, 8631), (8220, 8337)]