153891920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21139}}^1$

素因数の和:21172

約数の個数: 80

約数和(自身を含む): 440388480

約数和(自身を除く): 286496560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 21139, 42278, 84556, 105695, 147973, 169112, 211390, 274807, 295946, 338224, 422780, 549614, 591892, 739865, 845560, 1099228, 1183784, 1374035, 1479730, 1691120, 1923649, 2198456, 2367568, 2748070, 2959460, 3847298, 4396912, 5496140, 5918920, 7694596, 9618245, 10992280, 11837840, 15389192, 19236490, 21984560, 30778384, 38472980, 76945960, 153891920]

約数ペア:

[(1, 153891920), (2, 76945960), (4, 38472980), (5, 30778384), (7, 21984560), (8, 19236490), (10, 15389192), (13, 11837840), (14, 10992280), (16, 9618245), (20, 7694596), (26, 5918920), (28, 5496140), (35, 4396912), (40, 3847298), (52, 2959460), (56, 2748070), (65, 2367568), (70, 2198456), (80, 1923649), (91, 1691120), (104, 1479730), (112, 1374035), (130, 1183784), (140, 1099228), (182, 845560), (208, 739865), (260, 591892), (280, 549614), (364, 422780), (455, 338224), (520, 295946), (560, 274807), (728, 211390), (910, 169112), (1040, 147973), (1456, 105695), (1820, 84556), (3640, 42278), (7280, 21139)]