57720915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 123641856

約数和(自身を除く): 65920941

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 31, 35, 45, 63, 69, 93, 105, 115, 155, 161, 207, 217, 257, 279, 315, 345, 465, 483, 651, 713, 771, 805, 1035, 1085, 1285, 1395, 1449, 1799, 1953, 2139, 2313, 2415, 3255, 3565, 3855, 4991, 5397, 5911, 6417, 7245, 7967, 8995, 9765, 10695, 11565, 14973, 16191, 17733, 23901, 24955, 26985, 29555, 32085, 39835, 41377, 44919, 53199, 55769, 71703, 74865, 80955, 88665, 119505, 124131, 167307, 183241, 206885, 224595, 265995, 278845, 358515, 372393, 501921, 549723, 620655, 836535, 916205, 1282687, 1649169, 1861965, 2509605, 2748615, 3848061, 6413435, 8245845, 11544183, 19240305, 57720915]

約数ペア:

[(1, 57720915), (3, 19240305), (5, 11544183), (7, 8245845), (9, 6413435), (15, 3848061), (21, 2748615), (23, 2509605), (31, 1861965), (35, 1649169), (45, 1282687), (63, 916205), (69, 836535), (93, 620655), (105, 549723), (115, 501921), (155, 372393), (161, 358515), (207, 278845), (217, 265995), (257, 224595), (279, 206885), (315, 183241), (345, 167307), (465, 124131), (483, 119505), (651, 88665), (713, 80955), (771, 74865), (805, 71703), (1035, 55769), (1085, 53199), (1285, 44919), (1395, 41377), (1449, 39835), (1799, 32085), (1953, 29555), (2139, 26985), (2313, 24955), (2415, 23901), (3255, 17733), (3565, 16191), (3855, 14973), (4991, 11565), (5397, 10695), (5911, 9765), (6417, 8995), (7245, 7967)]