64438460

素因数分解:

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

素因数の和:183

約数の個数: 72

約数和(自身を含む): 146219136

約数和(自身を除く): 81780676

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 53, 62, 74, 106, 124, 148, 155, 185, 212, 265, 310, 370, 530, 620, 740, 1060, 1147, 1643, 1961, 2294, 2809, 3286, 3922, 4588, 5618, 5735, 6572, 7844, 8215, 9805, 11236, 11470, 14045, 16430, 19610, 22940, 28090, 32860, 39220, 56180, 60791, 87079, 103933, 121582, 174158, 207866, 243164, 303955, 348316, 415732, 435395, 519665, 607910, 870790, 1039330, 1215820, 1741580, 2078660, 3221923, 6443846, 12887692, 16109615, 32219230, 64438460]

約数ペア:

[(1, 64438460), (2, 32219230), (4, 16109615), (5, 12887692), (10, 6443846), (20, 3221923), (31, 2078660), (37, 1741580), (53, 1215820), (62, 1039330), (74, 870790), (106, 607910), (124, 519665), (148, 435395), (155, 415732), (185, 348316), (212, 303955), (265, 243164), (310, 207866), (370, 174158), (530, 121582), (620, 103933), (740, 87079), (1060, 60791), (1147, 56180), (1643, 39220), (1961, 32860), (2294, 28090), (2809, 22940), (3286, 19610), (3922, 16430), (4588, 14045), (5618, 11470), (5735, 11236), (6572, 9805), (7844, 8215)]