78094640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1231}}^1$

素因数の和:1318

約数の個数: 80

約数和(自身を含む): 198903936

約数和(自身を除く): 120809296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 793, 976, 1040, 1220, 1231, 1586, 2440, 2462, 3172, 3965, 4880, 4924, 6155, 6344, 7930, 9848, 12310, 12688, 15860, 16003, 19696, 24620, 31720, 32006, 49240, 63440, 64012, 75091, 80015, 98480, 128024, 150182, 160030, 256048, 300364, 320060, 375455, 600728, 640120, 750910, 976183, 1201456, 1280240, 1501820, 1952366, 3003640, 3904732, 4880915, 6007280, 7809464, 9761830, 15618928, 19523660, 39047320, 78094640]

約数ペア:

[(1, 78094640), (2, 39047320), (4, 19523660), (5, 15618928), (8, 9761830), (10, 7809464), (13, 6007280), (16, 4880915), (20, 3904732), (26, 3003640), (40, 1952366), (52, 1501820), (61, 1280240), (65, 1201456), (80, 976183), (104, 750910), (122, 640120), (130, 600728), (208, 375455), (244, 320060), (260, 300364), (305, 256048), (488, 160030), (520, 150182), (610, 128024), (793, 98480), (976, 80015), (1040, 75091), (1220, 64012), (1231, 63440), (1586, 49240), (2440, 32006), (2462, 31720), (3172, 24620), (3965, 19696), (4880, 16003), (4924, 15860), (6155, 12688), (6344, 12310), (7930, 9848)]