261665100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{199}}^1\times {\mathrm{487}}^1$

素因数の和:709

約数の個数: 144

約数和(自身を含む): 847168000

約数和(自身を除く): 585502900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 199, 225, 270, 300, 398, 450, 487, 540, 597, 675, 796, 900, 974, 995, 1194, 1350, 1461, 1791, 1948, 1990, 2388, 2435, 2700, 2922, 2985, 3582, 3980, 4383, 4870, 4975, 5373, 5844, 5970, 7164, 7305, 8766, 8955, 9740, 9950, 10746, 11940, 12175, 13149, 14610, 14925, 17532, 17910, 19900, 21492, 21915, 24350, 26298, 26865, 29220, 29850, 35820, 36525, 43830, 44775, 48700, 52596, 53730, 59700, 65745, 73050, 87660, 89550, 96913, 107460, 109575, 131490, 134325, 146100, 179100, 193826, 219150, 262980, 268650, 290739, 328725, 387652, 438300, 484565, 537300, 581478, 657450, 872217, 969130, 1162956, 1314900, 1453695, 1744434, 1938260, 2422825, 2616651, 2907390, 3488868, 4361085, 4845650, 5233302, 5814780, 7268475, 8722170, 9691300, 10466604, 13083255, 14536950, 17444340, 21805425, 26166510, 29073900, 43610850, 52333020, 65416275, 87221700, 130832550, 261665100]

約数ペア:

[(1, 261665100), (2, 130832550), (3, 87221700), (4, 65416275), (5, 52333020), (6, 43610850), (9, 29073900), (10, 26166510), (12, 21805425), (15, 17444340), (18, 14536950), (20, 13083255), (25, 10466604), (27, 9691300), (30, 8722170), (36, 7268475), (45, 5814780), (50, 5233302), (54, 4845650), (60, 4361085), (75, 3488868), (90, 2907390), (100, 2616651), (108, 2422825), (135, 1938260), (150, 1744434), (180, 1453695), (199, 1314900), (225, 1162956), (270, 969130), (300, 872217), (398, 657450), (450, 581478), (487, 537300), (540, 484565), (597, 438300), (675, 387652), (796, 328725), (900, 290739), (974, 268650), (995, 262980), (1194, 219150), (1350, 193826), (1461, 179100), (1791, 146100), (1948, 134325), (1990, 131490), (2388, 109575), (2435, 107460), (2700, 96913), (2922, 89550), (2985, 87660), (3582, 73050), (3980, 65745), (4383, 59700), (4870, 53730), (4975, 52596), (5373, 48700), (5844, 44775), (5970, 43830), (7164, 36525), (7305, 35820), (8766, 29850), (8955, 29220), (9740, 26865), (9950, 26298), (10746, 24350), (11940, 21915), (12175, 21492), (13149, 19900), (14610, 17910), (14925, 17532)]