279720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1$

素因数の和:64

約数の個数: 128

約数和(自身を含む): 1094400

約数和(自身を除く): 814680

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, 37, 40, 42, 45, 54, 56, 60, 63, 70, 72, 74, 84, 90, 105, 108, 111, 120, 126, 135, 140, 148, 168, 180, 185, 189, 210, 216, 222, 252, 259, 270, 280, 296, 315, 333, 360, 370, 378, 420, 444, 504, 518, 540, 555, 630, 666, 740, 756, 777, 840, 888, 945, 999, 1036, 1080, 1110, 1260, 1295, 1332, 1480, 1512, 1554, 1665, 1890, 1998, 2072, 2220, 2331, 2520, 2590, 2664, 3108, 3330, 3780, 3885, 3996, 4440, 4662, 4995, 5180, 6216, 6660, 6993, 7560, 7770, 7992, 9324, 9990, 10360, 11655, 13320, 13986, 15540, 18648, 19980, 23310, 27972, 31080, 34965, 39960, 46620, 55944, 69930, 93240, 139860, 279720]

約数ペア:

[(1, 279720), (2, 139860), (3, 93240), (4, 69930), (5, 55944), (6, 46620), (7, 39960), (8, 34965), (9, 31080), (10, 27972), (12, 23310), (14, 19980), (15, 18648), (18, 15540), (20, 13986), (21, 13320), (24, 11655), (27, 10360), (28, 9990), (30, 9324), (35, 7992), (36, 7770), (37, 7560), (40, 6993), (42, 6660), (45, 6216), (54, 5180), (56, 4995), (60, 4662), (63, 4440), (70, 3996), (72, 3885), (74, 3780), (84, 3330), (90, 3108), (105, 2664), (108, 2590), (111, 2520), (120, 2331), (126, 2220), (135, 2072), (140, 1998), (148, 1890), (168, 1665), (180, 1554), (185, 1512), (189, 1480), (210, 1332), (216, 1295), (222, 1260), (252, 1110), (259, 1080), (270, 1036), (280, 999), (296, 945), (315, 888), (333, 840), (360, 777), (370, 756), (378, 740), (420, 666), (444, 630), (504, 555), (518, 540)]