28555560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7211}}^1$

素因数の和:7239

約数の個数: 96

約数和(自身を含む): 101256480

約数和(自身を除く): 72700920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 7211, 14422, 21633, 28844, 36055, 43266, 57688, 64899, 72110, 79321, 86532, 108165, 129798, 144220, 158642, 173064, 216330, 237963, 259596, 288440, 317284, 324495, 396605, 432660, 475926, 519192, 634568, 648990, 713889, 793210, 865320, 951852, 1189815, 1297980, 1427778, 1586420, 1903704, 2379630, 2595960, 2855556, 3172840, 3569445, 4759260, 5711112, 7138890, 9518520, 14277780, 28555560]

約数ペア:

[(1, 28555560), (2, 14277780), (3, 9518520), (4, 7138890), (5, 5711112), (6, 4759260), (8, 3569445), (9, 3172840), (10, 2855556), (11, 2595960), (12, 2379630), (15, 1903704), (18, 1586420), (20, 1427778), (22, 1297980), (24, 1189815), (30, 951852), (33, 865320), (36, 793210), (40, 713889), (44, 648990), (45, 634568), (55, 519192), (60, 475926), (66, 432660), (72, 396605), (88, 324495), (90, 317284), (99, 288440), (110, 259596), (120, 237963), (132, 216330), (165, 173064), (180, 158642), (198, 144220), (220, 129798), (264, 108165), (330, 86532), (360, 79321), (396, 72110), (440, 64899), (495, 57688), (660, 43266), (792, 36055), (990, 28844), (1320, 21633), (1980, 14422), (3960, 7211)]