64040240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1278

約数の個数: 80

約数和(自身を含む): 165230496

約数和(自身を除く): 101190256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 61, 80, 88, 110, 122, 176, 220, 244, 305, 440, 488, 610, 671, 880, 976, 1193, 1220, 1342, 2386, 2440, 2684, 3355, 4772, 4880, 5368, 5965, 6710, 9544, 10736, 11930, 13123, 13420, 19088, 23860, 26246, 26840, 47720, 52492, 53680, 65615, 72773, 95440, 104984, 131230, 145546, 209968, 262460, 291092, 363865, 524920, 582184, 727730, 800503, 1049840, 1164368, 1455460, 1601006, 2910920, 3202012, 4002515, 5821840, 6404024, 8005030, 12808048, 16010060, 32020120, 64040240]

約数ペア:

[(1, 64040240), (2, 32020120), (4, 16010060), (5, 12808048), (8, 8005030), (10, 6404024), (11, 5821840), (16, 4002515), (20, 3202012), (22, 2910920), (40, 1601006), (44, 1455460), (55, 1164368), (61, 1049840), (80, 800503), (88, 727730), (110, 582184), (122, 524920), (176, 363865), (220, 291092), (244, 262460), (305, 209968), (440, 145546), (488, 131230), (610, 104984), (671, 95440), (880, 72773), (976, 65615), (1193, 53680), (1220, 52492), (1342, 47720), (2386, 26840), (2440, 26246), (2684, 23860), (3355, 19088), (4772, 13420), (4880, 13123), (5368, 11930), (5965, 10736), (6710, 9544)]