1780138728

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{18859}}^1$

素因数の和:18916

約数の個数: 128

約数和(自身を含む): 5431680000

約数和(自身を除く): 3651541272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 23, 24, 27, 36, 38, 46, 54, 57, 69, 72, 76, 92, 108, 114, 138, 152, 171, 184, 207, 216, 228, 276, 342, 414, 437, 456, 513, 552, 621, 684, 828, 874, 1026, 1242, 1311, 1368, 1656, 1748, 2052, 2484, 2622, 3496, 3933, 4104, 4968, 5244, 7866, 10488, 11799, 15732, 18859, 23598, 31464, 37718, 47196, 56577, 75436, 94392, 113154, 150872, 169731, 226308, 339462, 358321, 433757, 452616, 509193, 678924, 716642, 867514, 1018386, 1074963, 1301271, 1357848, 1433284, 1735028, 2036772, 2149926, 2602542, 2866568, 3224889, 3470056, 3903813, 4073544, 4299852, 5205084, 6449778, 7807626, 8241383, 8599704, 9674667, 10410168, 11711439, 12899556, 15615252, 16482766, 19349334, 23422878, 24724149, 25799112, 31230504, 32965532, 38698668, 46845756, 49448298, 65931064, 74172447, 77397336, 93691512, 98896596, 148344894, 197793192, 222517341, 296689788, 445034682, 593379576, 890069364, 1780138728]

約数ペア:

[(1, 1780138728), (2, 890069364), (3, 593379576), (4, 445034682), (6, 296689788), (8, 222517341), (9, 197793192), (12, 148344894), (18, 98896596), (19, 93691512), (23, 77397336), (24, 74172447), (27, 65931064), (36, 49448298), (38, 46845756), (46, 38698668), (54, 32965532), (57, 31230504), (69, 25799112), (72, 24724149), (76, 23422878), (92, 19349334), (108, 16482766), (114, 15615252), (138, 12899556), (152, 11711439), (171, 10410168), (184, 9674667), (207, 8599704), (216, 8241383), (228, 7807626), (276, 6449778), (342, 5205084), (414, 4299852), (437, 4073544), (456, 3903813), (513, 3470056), (552, 3224889), (621, 2866568), (684, 2602542), (828, 2149926), (874, 2036772), (1026, 1735028), (1242, 1433284), (1311, 1357848), (1368, 1301271), (1656, 1074963), (1748, 1018386), (2052, 867514), (2484, 716642), (2622, 678924), (3496, 509193), (3933, 452616), (4104, 433757), (4968, 358321), (5244, 339462), (7866, 226308), (10488, 169731), (11799, 150872), (15732, 113154), (18859, 94392), (23598, 75436), (31464, 56577), (37718, 47196)]