28549208760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{683}}^1\times {\mathrm{2137}}^1$

素因数の和:2997

約数の個数: 128

約数和(自身を含む): 86339623680

約数和(自身を除く): 57790414920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 683, 815, 978, 1304, 1366, 1630, 1956, 2049, 2137, 2445, 2732, 3260, 3415, 3912, 4098, 4274, 4890, 5464, 6411, 6520, 6830, 8196, 8548, 9780, 10245, 10685, 12822, 13660, 16392, 17096, 19560, 20490, 21370, 25644, 27320, 32055, 40980, 42740, 51288, 64110, 81960, 85480, 111329, 128220, 222658, 256440, 333987, 348331, 445316, 556645, 667974, 696662, 890632, 1044993, 1113290, 1335948, 1393324, 1459571, 1669935, 1741655, 2089986, 2226580, 2671896, 2786648, 2919142, 3339870, 3483310, 4179972, 4378713, 4453160, 5224965, 5838284, 6679740, 6966620, 7297855, 8359944, 8757426, 10449930, 11676568, 13359480, 13933240, 14595710, 17514852, 20899860, 21893565, 29191420, 35029704, 41799720, 43787130, 58382840, 87574260, 175148520, 237910073, 475820146, 713730219, 951640292, 1189550365, 1427460438, 1903280584, 2379100730, 2854920876, 3568651095, 4758201460, 5709841752, 7137302190, 9516402920, 14274604380, 28549208760]

約数ペア:

[(1, 28549208760), (2, 14274604380), (3, 9516402920), (4, 7137302190), (5, 5709841752), (6, 4758201460), (8, 3568651095), (10, 2854920876), (12, 2379100730), (15, 1903280584), (20, 1427460438), (24, 1189550365), (30, 951640292), (40, 713730219), (60, 475820146), (120, 237910073), (163, 175148520), (326, 87574260), (489, 58382840), (652, 43787130), (683, 41799720), (815, 35029704), (978, 29191420), (1304, 21893565), (1366, 20899860), (1630, 17514852), (1956, 14595710), (2049, 13933240), (2137, 13359480), (2445, 11676568), (2732, 10449930), (3260, 8757426), (3415, 8359944), (3912, 7297855), (4098, 6966620), (4274, 6679740), (4890, 5838284), (5464, 5224965), (6411, 4453160), (6520, 4378713), (6830, 4179972), (8196, 3483310), (8548, 3339870), (9780, 2919142), (10245, 2786648), (10685, 2671896), (12822, 2226580), (13660, 2089986), (16392, 1741655), (17096, 1669935), (19560, 1459571), (20490, 1393324), (21370, 1335948), (25644, 1113290), (27320, 1044993), (32055, 890632), (40980, 696662), (42740, 667974), (51288, 556645), (64110, 445316), (81960, 348331), (85480, 333987), (111329, 256440), (128220, 222658)]