28109640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:551

約数の個数: 128

約数和(自身を含む): 93461760

約数和(自身を除く): 65352120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 487, 520, 555, 740, 780, 888, 962, 974, 1110, 1443, 1461, 1480, 1560, 1924, 1948, 2220, 2405, 2435, 2886, 2922, 3848, 3896, 4440, 4810, 4870, 5772, 5844, 6331, 7215, 7305, 9620, 9740, 11544, 11688, 12662, 14430, 14610, 18019, 18993, 19240, 19480, 25324, 28860, 29220, 31655, 36038, 37986, 50648, 54057, 57720, 58440, 63310, 72076, 75972, 90095, 94965, 108114, 126620, 144152, 151944, 180190, 189930, 216228, 234247, 253240, 270285, 360380, 379860, 432456, 468494, 540570, 702741, 720760, 759720, 936988, 1081140, 1171235, 1405482, 1873976, 2162280, 2342470, 2810964, 3513705, 4684940, 5621928, 7027410, 9369880, 14054820, 28109640]

約数ペア:

[(1, 28109640), (2, 14054820), (3, 9369880), (4, 7027410), (5, 5621928), (6, 4684940), (8, 3513705), (10, 2810964), (12, 2342470), (13, 2162280), (15, 1873976), (20, 1405482), (24, 1171235), (26, 1081140), (30, 936988), (37, 759720), (39, 720760), (40, 702741), (52, 540570), (60, 468494), (65, 432456), (74, 379860), (78, 360380), (104, 270285), (111, 253240), (120, 234247), (130, 216228), (148, 189930), (156, 180190), (185, 151944), (195, 144152), (222, 126620), (260, 108114), (296, 94965), (312, 90095), (370, 75972), (390, 72076), (444, 63310), (481, 58440), (487, 57720), (520, 54057), (555, 50648), (740, 37986), (780, 36038), (888, 31655), (962, 29220), (974, 28860), (1110, 25324), (1443, 19480), (1461, 19240), (1480, 18993), (1560, 18019), (1924, 14610), (1948, 14430), (2220, 12662), (2405, 11688), (2435, 11544), (2886, 9740), (2922, 9620), (3848, 7305), (3896, 7215), (4440, 6331), (4810, 5844), (4870, 5772)]