81141480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{10733}}^1$

素因数の和:10760

約数の個数: 128

約数和(自身を含む): 309139200

約数和(自身を除く): 227997720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 10733, 21466, 32199, 42932, 53665, 64398, 75131, 85864, 96597, 107330, 128796, 150262, 160995, 193194, 214660, 225393, 257592, 289791, 300524, 321990, 375655, 386388, 429320, 450786, 482985, 579582, 601048, 643980, 676179, 751310, 772776, 901572, 965970, 1126965, 1159164, 1287960, 1352358, 1448955, 1502620, 1803144, 1931940, 2028537, 2253930, 2318328, 2704716, 2897910, 3005240, 3380895, 3863880, 4057074, 4507860, 5409432, 5795820, 6761790, 8114148, 9015720, 10142685, 11591640, 13523580, 16228296, 20285370, 27047160, 40570740, 81141480]

約数ペア:

[(1, 81141480), (2, 40570740), (3, 27047160), (4, 20285370), (5, 16228296), (6, 13523580), (7, 11591640), (8, 10142685), (9, 9015720), (10, 8114148), (12, 6761790), (14, 5795820), (15, 5409432), (18, 4507860), (20, 4057074), (21, 3863880), (24, 3380895), (27, 3005240), (28, 2897910), (30, 2704716), (35, 2318328), (36, 2253930), (40, 2028537), (42, 1931940), (45, 1803144), (54, 1502620), (56, 1448955), (60, 1352358), (63, 1287960), (70, 1159164), (72, 1126965), (84, 965970), (90, 901572), (105, 772776), (108, 751310), (120, 676179), (126, 643980), (135, 601048), (140, 579582), (168, 482985), (180, 450786), (189, 429320), (210, 386388), (216, 375655), (252, 321990), (270, 300524), (280, 289791), (315, 257592), (360, 225393), (378, 214660), (420, 193194), (504, 160995), (540, 150262), (630, 128796), (756, 107330), (840, 96597), (945, 85864), (1080, 75131), (1260, 64398), (1512, 53665), (1890, 42932), (2520, 32199), (3780, 21466), (7560, 10733)]