155160980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^2$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 363246408

約数和(自身を除く): 208085428

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 127, 130, 148, 185, 254, 260, 370, 481, 508, 635, 740, 962, 1270, 1651, 1924, 2405, 2540, 3302, 4699, 4810, 6604, 8255, 9398, 9620, 16129, 16510, 18796, 23495, 32258, 33020, 46990, 61087, 64516, 80645, 93980, 122174, 161290, 209677, 244348, 305435, 322580, 419354, 596773, 610870, 838708, 1048385, 1193546, 1221740, 2096770, 2387092, 2983865, 4193540, 5967730, 7758049, 11935460, 15516098, 31032196, 38790245, 77580490, 155160980]

約数ペア:

[(1, 155160980), (2, 77580490), (4, 38790245), (5, 31032196), (10, 15516098), (13, 11935460), (20, 7758049), (26, 5967730), (37, 4193540), (52, 2983865), (65, 2387092), (74, 2096770), (127, 1221740), (130, 1193546), (148, 1048385), (185, 838708), (254, 610870), (260, 596773), (370, 419354), (481, 322580), (508, 305435), (635, 244348), (740, 209677), (962, 161290), (1270, 122174), (1651, 93980), (1924, 80645), (2405, 64516), (2540, 61087), (3302, 46990), (4699, 33020), (4810, 32258), (6604, 23495), (8255, 18796), (9398, 16510), (9620, 16129)]