61419280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:908

約数の個数: 80

約数和(自身を含む): 156083760

約数和(自身を除く): 94664480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 73, 80, 104, 130, 146, 208, 260, 292, 365, 520, 584, 730, 809, 949, 1040, 1168, 1460, 1618, 1898, 2920, 3236, 3796, 4045, 4745, 5840, 6472, 7592, 8090, 9490, 10517, 12944, 15184, 16180, 18980, 21034, 32360, 37960, 42068, 52585, 59057, 64720, 75920, 84136, 105170, 118114, 168272, 210340, 236228, 295285, 420680, 472456, 590570, 767741, 841360, 944912, 1181140, 1535482, 2362280, 3070964, 3838705, 4724560, 6141928, 7677410, 12283856, 15354820, 30709640, 61419280]

約数ペア:

[(1, 61419280), (2, 30709640), (4, 15354820), (5, 12283856), (8, 7677410), (10, 6141928), (13, 4724560), (16, 3838705), (20, 3070964), (26, 2362280), (40, 1535482), (52, 1181140), (65, 944912), (73, 841360), (80, 767741), (104, 590570), (130, 472456), (146, 420680), (208, 295285), (260, 236228), (292, 210340), (365, 168272), (520, 118114), (584, 105170), (730, 84136), (809, 75920), (949, 64720), (1040, 59057), (1168, 52585), (1460, 42068), (1618, 37960), (1898, 32360), (2920, 21034), (3236, 18980), (3796, 16180), (4045, 15184), (4745, 12944), (5840, 10517), (6472, 9490), (7592, 8090)]