7647900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 24935904

約数和(自身を除く): 17288004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 37, 39, 50, 52, 53, 60, 65, 74, 75, 78, 100, 106, 111, 130, 148, 150, 156, 159, 185, 195, 212, 222, 260, 265, 300, 318, 325, 370, 390, 444, 481, 530, 555, 636, 650, 689, 740, 780, 795, 925, 962, 975, 1060, 1110, 1300, 1325, 1378, 1443, 1590, 1850, 1924, 1950, 1961, 2067, 2220, 2405, 2650, 2756, 2775, 2886, 3180, 3445, 3700, 3900, 3922, 3975, 4134, 4810, 5300, 5550, 5772, 5883, 6890, 7215, 7844, 7950, 8268, 9620, 9805, 10335, 11100, 11766, 12025, 13780, 14430, 15900, 17225, 19610, 20670, 23532, 24050, 25493, 28860, 29415, 34450, 36075, 39220, 41340, 48100, 49025, 50986, 51675, 58830, 68900, 72150, 76479, 98050, 101972, 103350, 117660, 127465, 144300, 147075, 152958, 196100, 206700, 254930, 294150, 305916, 382395, 509860, 588300, 637325, 764790, 1274650, 1529580, 1911975, 2549300, 3823950, 7647900]

約数ペア:

[(1, 7647900), (2, 3823950), (3, 2549300), (4, 1911975), (5, 1529580), (6, 1274650), (10, 764790), (12, 637325), (13, 588300), (15, 509860), (20, 382395), (25, 305916), (26, 294150), (30, 254930), (37, 206700), (39, 196100), (50, 152958), (52, 147075), (53, 144300), (60, 127465), (65, 117660), (74, 103350), (75, 101972), (78, 98050), (100, 76479), (106, 72150), (111, 68900), (130, 58830), (148, 51675), (150, 50986), (156, 49025), (159, 48100), (185, 41340), (195, 39220), (212, 36075), (222, 34450), (260, 29415), (265, 28860), (300, 25493), (318, 24050), (325, 23532), (370, 20670), (390, 19610), (444, 17225), (481, 15900), (530, 14430), (555, 13780), (636, 12025), (650, 11766), (689, 11100), (740, 10335), (780, 9805), (795, 9620), (925, 8268), (962, 7950), (975, 7844), (1060, 7215), (1110, 6890), (1300, 5883), (1325, 5772), (1378, 5550), (1443, 5300), (1590, 4810), (1850, 4134), (1924, 3975), (1950, 3922), (1961, 3900), (2067, 3700), (2220, 3445), (2405, 3180), (2650, 2886), (2756, 2775)]