18785400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 58924800

約数和(自身を除く): 40139400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 131, 150, 200, 239, 262, 300, 393, 478, 524, 600, 655, 717, 786, 956, 1048, 1195, 1310, 1434, 1572, 1912, 1965, 2390, 2620, 2868, 3144, 3275, 3585, 3930, 4780, 5240, 5736, 5975, 6550, 7170, 7860, 9560, 9825, 11950, 13100, 14340, 15720, 17925, 19650, 23900, 26200, 28680, 31309, 35850, 39300, 47800, 62618, 71700, 78600, 93927, 125236, 143400, 156545, 187854, 250472, 313090, 375708, 469635, 626180, 751416, 782725, 939270, 1252360, 1565450, 1878540, 2348175, 3130900, 3757080, 4696350, 6261800, 9392700, 18785400]

約数ペア:

[(1, 18785400), (2, 9392700), (3, 6261800), (4, 4696350), (5, 3757080), (6, 3130900), (8, 2348175), (10, 1878540), (12, 1565450), (15, 1252360), (20, 939270), (24, 782725), (25, 751416), (30, 626180), (40, 469635), (50, 375708), (60, 313090), (75, 250472), (100, 187854), (120, 156545), (131, 143400), (150, 125236), (200, 93927), (239, 78600), (262, 71700), (300, 62618), (393, 47800), (478, 39300), (524, 35850), (600, 31309), (655, 28680), (717, 26200), (786, 23900), (956, 19650), (1048, 17925), (1195, 15720), (1310, 14340), (1434, 13100), (1572, 11950), (1912, 9825), (1965, 9560), (2390, 7860), (2620, 7170), (2868, 6550), (3144, 5975), (3275, 5736), (3585, 5240), (3930, 4780)]