1520689720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{6871}}^1$

素因数の和:7396

約数の個数: 64

約数和(自身を含む): 3740567040

約数和(自身を除く): 2219877320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 503, 1006, 2012, 2515, 4024, 5030, 5533, 6871, 10060, 11066, 13742, 20120, 22132, 27484, 27665, 34355, 44264, 54968, 55330, 68710, 75581, 110660, 137420, 151162, 221320, 274840, 302324, 377905, 604648, 755810, 1511620, 3023240, 3456113, 6912226, 13824452, 17280565, 27648904, 34561130, 38017243, 69122260, 76034486, 138244520, 152068972, 190086215, 304137944, 380172430, 760344860, 1520689720]

約数ペア:

[(1, 1520689720), (2, 760344860), (4, 380172430), (5, 304137944), (8, 190086215), (10, 152068972), (11, 138244520), (20, 76034486), (22, 69122260), (40, 38017243), (44, 34561130), (55, 27648904), (88, 17280565), (110, 13824452), (220, 6912226), (440, 3456113), (503, 3023240), (1006, 1511620), (2012, 755810), (2515, 604648), (4024, 377905), (5030, 302324), (5533, 274840), (6871, 221320), (10060, 151162), (11066, 137420), (13742, 110660), (20120, 75581), (22132, 68710), (27484, 55330), (27665, 54968), (34355, 44264)]