7720240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 20284416

約数和(自身を除く): 12564176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 283, 310, 341, 440, 496, 566, 620, 682, 880, 1132, 1240, 1364, 1415, 1705, 2264, 2480, 2728, 2830, 3113, 3410, 4528, 5456, 5660, 6226, 6820, 8773, 11320, 12452, 13640, 15565, 17546, 22640, 24904, 27280, 31130, 35092, 43865, 49808, 62260, 70184, 87730, 96503, 124520, 140368, 175460, 193006, 249040, 350920, 386012, 482515, 701840, 772024, 965030, 1544048, 1930060, 3860120, 7720240]

約数ペア:

[(1, 7720240), (2, 3860120), (4, 1930060), (5, 1544048), (8, 965030), (10, 772024), (11, 701840), (16, 482515), (20, 386012), (22, 350920), (31, 249040), (40, 193006), (44, 175460), (55, 140368), (62, 124520), (80, 96503), (88, 87730), (110, 70184), (124, 62260), (155, 49808), (176, 43865), (220, 35092), (248, 31130), (283, 27280), (310, 24904), (341, 22640), (440, 17546), (496, 15565), (566, 13640), (620, 12452), (682, 11320), (880, 8773), (1132, 6820), (1240, 6226), (1364, 5660), (1415, 5456), (1705, 4528), (2264, 3410), (2480, 3113), (2728, 2830)]