221375880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{55903}}^1$

素因数の和:55931

約数の個数: 96

約数和(自身を含む): 784892160

約数和(自身を除く): 563516280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 55903, 111806, 167709, 223612, 279515, 335418, 447224, 503127, 559030, 614933, 670836, 838545, 1006254, 1118060, 1229866, 1341672, 1677090, 1844799, 2012508, 2236120, 2459732, 2515635, 3074665, 3354180, 3689598, 4025016, 4919464, 5031270, 5534397, 6149330, 6708360, 7379196, 9223995, 10062540, 11068794, 12298660, 14758392, 18447990, 20125080, 22137588, 24597320, 27671985, 36895980, 44275176, 55343970, 73791960, 110687940, 221375880]

約数ペア:

[(1, 221375880), (2, 110687940), (3, 73791960), (4, 55343970), (5, 44275176), (6, 36895980), (8, 27671985), (9, 24597320), (10, 22137588), (11, 20125080), (12, 18447990), (15, 14758392), (18, 12298660), (20, 11068794), (22, 10062540), (24, 9223995), (30, 7379196), (33, 6708360), (36, 6149330), (40, 5534397), (44, 5031270), (45, 4919464), (55, 4025016), (60, 3689598), (66, 3354180), (72, 3074665), (88, 2515635), (90, 2459732), (99, 2236120), (110, 2012508), (120, 1844799), (132, 1677090), (165, 1341672), (180, 1229866), (198, 1118060), (220, 1006254), (264, 838545), (330, 670836), (360, 614933), (396, 559030), (440, 503127), (495, 447224), (660, 335418), (792, 279515), (990, 223612), (1320, 167709), (1980, 111806), (3960, 55903)]