245430720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2749}}^1$

素因数の和:2803

約数の個数: 168

約数和(自身を含む): 871728000

約数和(自身を除く): 626297280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1860, 1984, 2232, 2480, 2749, 2790, 2880, 2976, 3720, 4464, 4960, 5498, 5580, 5952, 7440, 8247, 8928, 9920, 10996, 11160, 13745, 14880, 16494, 17856, 21992, 22320, 24741, 27490, 29760, 32988, 41235, 43984, 44640, 49482, 54980, 65976, 82470, 85219, 87968, 89280, 98964, 109960, 123705, 131952, 164940, 170438, 175936, 197928, 219920, 247410, 255657, 263904, 329880, 340876, 395856, 426095, 439840, 494820, 511314, 527808, 659760, 681752, 766971, 791712, 852190, 879680, 989640, 1022628, 1278285, 1319520, 1363504, 1533942, 1583424, 1704380, 1979280, 2045256, 2556570, 2639040, 2727008, 3067884, 3408760, 3834855, 3958560, 4090512, 5113140, 5454016, 6135768, 6817520, 7669710, 7917120, 8181024, 10226280, 12271536, 13635040, 15339420, 16362048, 20452560, 24543072, 27270080, 30678840, 40905120, 49086144, 61357680, 81810240, 122715360, 245430720]

約数ペア:

[(1, 245430720), (2, 122715360), (3, 81810240), (4, 61357680), (5, 49086144), (6, 40905120), (8, 30678840), (9, 27270080), (10, 24543072), (12, 20452560), (15, 16362048), (16, 15339420), (18, 13635040), (20, 12271536), (24, 10226280), (30, 8181024), (31, 7917120), (32, 7669710), (36, 6817520), (40, 6135768), (45, 5454016), (48, 5113140), (60, 4090512), (62, 3958560), (64, 3834855), (72, 3408760), (80, 3067884), (90, 2727008), (93, 2639040), (96, 2556570), (120, 2045256), (124, 1979280), (144, 1704380), (155, 1583424), (160, 1533942), (180, 1363504), (186, 1319520), (192, 1278285), (240, 1022628), (248, 989640), (279, 879680), (288, 852190), (310, 791712), (320, 766971), (360, 681752), (372, 659760), (465, 527808), (480, 511314), (496, 494820), (558, 439840), (576, 426095), (620, 395856), (720, 340876), (744, 329880), (930, 263904), (960, 255657), (992, 247410), (1116, 219920), (1240, 197928), (1395, 175936), (1440, 170438), (1488, 164940), (1860, 131952), (1984, 123705), (2232, 109960), (2480, 98964), (2749, 89280), (2790, 87968), (2880, 85219), (2976, 82470), (3720, 65976), (4464, 54980), (4960, 49482), (5498, 44640), (5580, 43984), (5952, 41235), (7440, 32988), (8247, 29760), (8928, 27490), (9920, 24741), (10996, 22320), (11160, 21992), (13745, 17856), (14880, 16494)]