15805660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 38610432

約数和(自身を除く): 22804772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 37, 52, 53, 62, 65, 74, 106, 124, 130, 148, 155, 185, 212, 260, 265, 310, 370, 403, 481, 530, 620, 689, 740, 806, 962, 1060, 1147, 1378, 1612, 1643, 1924, 1961, 2015, 2294, 2405, 2756, 3286, 3445, 3922, 4030, 4588, 4810, 5735, 6572, 6890, 7844, 8060, 8215, 9620, 9805, 11470, 13780, 14911, 16430, 19610, 21359, 22940, 25493, 29822, 32860, 39220, 42718, 50986, 59644, 60791, 74555, 85436, 101972, 106795, 121582, 127465, 149110, 213590, 243164, 254930, 298220, 303955, 427180, 509860, 607910, 790283, 1215820, 1580566, 3161132, 3951415, 7902830, 15805660]

約数ペア:

[(1, 15805660), (2, 7902830), (4, 3951415), (5, 3161132), (10, 1580566), (13, 1215820), (20, 790283), (26, 607910), (31, 509860), (37, 427180), (52, 303955), (53, 298220), (62, 254930), (65, 243164), (74, 213590), (106, 149110), (124, 127465), (130, 121582), (148, 106795), (155, 101972), (185, 85436), (212, 74555), (260, 60791), (265, 59644), (310, 50986), (370, 42718), (403, 39220), (481, 32860), (530, 29822), (620, 25493), (689, 22940), (740, 21359), (806, 19610), (962, 16430), (1060, 14911), (1147, 13780), (1378, 11470), (1612, 9805), (1643, 9620), (1924, 8215), (1961, 8060), (2015, 7844), (2294, 6890), (2405, 6572), (2756, 5735), (3286, 4810), (3445, 4588), (3922, 4030)]