258013560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{751}}^1$

素因数の和:1181

約数の個数: 128

約数和(自身を含む): 887961600

約数和(自身を除く): 629948040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 409, 420, 751, 818, 840, 1227, 1502, 1636, 2045, 2253, 2454, 2863, 3004, 3272, 3755, 4090, 4506, 4908, 5257, 5726, 6008, 6135, 7510, 8180, 8589, 9012, 9816, 10514, 11265, 11452, 12270, 14315, 15020, 15771, 16360, 17178, 18024, 21028, 22530, 22904, 24540, 26285, 28630, 30040, 31542, 34356, 42056, 42945, 45060, 49080, 52570, 57260, 63084, 68712, 78855, 85890, 90120, 105140, 114520, 126168, 157710, 171780, 210280, 307159, 315420, 343560, 614318, 630840, 921477, 1228636, 1535795, 1842954, 2150113, 2457272, 3071590, 3685908, 4300226, 4607385, 6143180, 6450339, 7371816, 8600452, 9214770, 10750565, 12286360, 12900678, 17200904, 18429540, 21501130, 25801356, 32251695, 36859080, 43002260, 51602712, 64503390, 86004520, 129006780, 258013560]

約数ペア:

[(1, 258013560), (2, 129006780), (3, 86004520), (4, 64503390), (5, 51602712), (6, 43002260), (7, 36859080), (8, 32251695), (10, 25801356), (12, 21501130), (14, 18429540), (15, 17200904), (20, 12900678), (21, 12286360), (24, 10750565), (28, 9214770), (30, 8600452), (35, 7371816), (40, 6450339), (42, 6143180), (56, 4607385), (60, 4300226), (70, 3685908), (84, 3071590), (105, 2457272), (120, 2150113), (140, 1842954), (168, 1535795), (210, 1228636), (280, 921477), (409, 630840), (420, 614318), (751, 343560), (818, 315420), (840, 307159), (1227, 210280), (1502, 171780), (1636, 157710), (2045, 126168), (2253, 114520), (2454, 105140), (2863, 90120), (3004, 85890), (3272, 78855), (3755, 68712), (4090, 63084), (4506, 57260), (4908, 52570), (5257, 49080), (5726, 45060), (6008, 42945), (6135, 42056), (7510, 34356), (8180, 31542), (8589, 30040), (9012, 28630), (9816, 26285), (10514, 24540), (11265, 22904), (11452, 22530), (12270, 21028), (14315, 18024), (15020, 17178), (15771, 16360)]