7045720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 17625600

約数和(自身を除く): 10579880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 239, 268, 335, 440, 478, 536, 670, 737, 956, 1195, 1340, 1474, 1912, 2390, 2629, 2680, 2948, 3685, 4780, 5258, 5896, 7370, 9560, 10516, 13145, 14740, 16013, 21032, 26290, 29480, 32026, 52580, 64052, 80065, 105160, 128104, 160130, 176143, 320260, 352286, 640520, 704572, 880715, 1409144, 1761430, 3522860, 7045720]

約数ペア:

[(1, 7045720), (2, 3522860), (4, 1761430), (5, 1409144), (8, 880715), (10, 704572), (11, 640520), (20, 352286), (22, 320260), (40, 176143), (44, 160130), (55, 128104), (67, 105160), (88, 80065), (110, 64052), (134, 52580), (220, 32026), (239, 29480), (268, 26290), (335, 21032), (440, 16013), (478, 14740), (536, 13145), (670, 10516), (737, 9560), (956, 7370), (1195, 5896), (1340, 5258), (1474, 4780), (1912, 3685), (2390, 2948), (2629, 2680)]