30678840

素因数分解:

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

素因数の和:2797

約数の個数: 96

約数和(自身を含む): 102960000

約数和(自身を除く): 72281160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2749, 2790, 3720, 5498, 5580, 8247, 10996, 11160, 13745, 16494, 21992, 24741, 27490, 32988, 41235, 49482, 54980, 65976, 82470, 85219, 98964, 109960, 123705, 164940, 170438, 197928, 247410, 255657, 329880, 340876, 426095, 494820, 511314, 681752, 766971, 852190, 989640, 1022628, 1278285, 1533942, 1704380, 2045256, 2556570, 3067884, 3408760, 3834855, 5113140, 6135768, 7669710, 10226280, 15339420, 30678840]

約数ペア:

[(1, 30678840), (2, 15339420), (3, 10226280), (4, 7669710), (5, 6135768), (6, 5113140), (8, 3834855), (9, 3408760), (10, 3067884), (12, 2556570), (15, 2045256), (18, 1704380), (20, 1533942), (24, 1278285), (30, 1022628), (31, 989640), (36, 852190), (40, 766971), (45, 681752), (60, 511314), (62, 494820), (72, 426095), (90, 340876), (93, 329880), (120, 255657), (124, 247410), (155, 197928), (180, 170438), (186, 164940), (248, 123705), (279, 109960), (310, 98964), (360, 85219), (372, 82470), (465, 65976), (558, 54980), (620, 49482), (744, 41235), (930, 32988), (1116, 27490), (1240, 24741), (1395, 21992), (1860, 16494), (2232, 13745), (2749, 11160), (2790, 10996), (3720, 8247), (5498, 5580)]