30856140

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{907}}^1$

素因数の和:938

約数の個数: 144

約数和(自身を含む): 111052032

約数和(自身を除く): 80195892

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 907, 945, 972, 1134, 1215, 1260, 1620, 1701, 1814, 1890, 2268, 2430, 2721, 2835, 3402, 3628, 3780, 4535, 4860, 5442, 5670, 6349, 6804, 8163, 8505, 9070, 10884, 11340, 12698, 13605, 16326, 17010, 18140, 19047, 24489, 25396, 27210, 31745, 32652, 34020, 38094, 40815, 48978, 54420, 57141, 63490, 73467, 76188, 81630, 95235, 97956, 114282, 122445, 126980, 146934, 163260, 171423, 190470, 220401, 228564, 244890, 285705, 293868, 342846, 367335, 380940, 440802, 489780, 514269, 571410, 685692, 734670, 857115, 881604, 1028538, 1102005, 1142820, 1469340, 1542807, 1714230, 2057076, 2204010, 2571345, 3085614, 3428460, 4408020, 5142690, 6171228, 7714035, 10285380, 15428070, 30856140]

約数ペア:

[(1, 30856140), (2, 15428070), (3, 10285380), (4, 7714035), (5, 6171228), (6, 5142690), (7, 4408020), (9, 3428460), (10, 3085614), (12, 2571345), (14, 2204010), (15, 2057076), (18, 1714230), (20, 1542807), (21, 1469340), (27, 1142820), (28, 1102005), (30, 1028538), (35, 881604), (36, 857115), (42, 734670), (45, 685692), (54, 571410), (60, 514269), (63, 489780), (70, 440802), (81, 380940), (84, 367335), (90, 342846), (105, 293868), (108, 285705), (126, 244890), (135, 228564), (140, 220401), (162, 190470), (180, 171423), (189, 163260), (210, 146934), (243, 126980), (252, 122445), (270, 114282), (315, 97956), (324, 95235), (378, 81630), (405, 76188), (420, 73467), (486, 63490), (540, 57141), (567, 54420), (630, 48978), (756, 40815), (810, 38094), (907, 34020), (945, 32652), (972, 31745), (1134, 27210), (1215, 25396), (1260, 24489), (1620, 19047), (1701, 18140), (1814, 17010), (1890, 16326), (2268, 13605), (2430, 12698), (2721, 11340), (2835, 10884), (3402, 9070), (3628, 8505), (3780, 8163), (4535, 6804), (4860, 6349), (5442, 5670)]