28717560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{331}}^1$

素因数の和:589

約数の個数: 96

約数和(自身を含む): 94002480

約数和(自身を除く): 65284920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 241, 331, 360, 482, 662, 723, 964, 993, 1205, 1324, 1446, 1655, 1928, 1986, 2169, 2410, 2648, 2892, 2979, 3310, 3615, 3972, 4338, 4820, 4965, 5784, 5958, 6620, 7230, 7944, 8676, 9640, 9930, 10845, 11916, 13240, 14460, 14895, 17352, 19860, 21690, 23832, 28920, 29790, 39720, 43380, 59580, 79771, 86760, 119160, 159542, 239313, 319084, 398855, 478626, 638168, 717939, 797710, 957252, 1196565, 1435878, 1595420, 1914504, 2393130, 2871756, 3190840, 3589695, 4786260, 5743512, 7179390, 9572520, 14358780, 28717560]

約数ペア:

[(1, 28717560), (2, 14358780), (3, 9572520), (4, 7179390), (5, 5743512), (6, 4786260), (8, 3589695), (9, 3190840), (10, 2871756), (12, 2393130), (15, 1914504), (18, 1595420), (20, 1435878), (24, 1196565), (30, 957252), (36, 797710), (40, 717939), (45, 638168), (60, 478626), (72, 398855), (90, 319084), (120, 239313), (180, 159542), (241, 119160), (331, 86760), (360, 79771), (482, 59580), (662, 43380), (723, 39720), (964, 29790), (993, 28920), (1205, 23832), (1324, 21690), (1446, 19860), (1655, 17352), (1928, 14895), (1986, 14460), (2169, 13240), (2410, 11916), (2648, 10845), (2892, 9930), (2979, 9640), (3310, 8676), (3615, 7944), (3972, 7230), (4338, 6620), (4820, 5958), (4965, 5784)]