1555392020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:634

約数の個数: 192

約数和(自身を含む): 4260695040

約数和(自身を除く): 2705303020

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 73, 91, 92, 115, 130, 140, 146, 161, 182, 230, 260, 292, 299, 322, 364, 365, 455, 460, 509, 511, 598, 644, 730, 805, 910, 949, 1018, 1022, 1196, 1460, 1495, 1610, 1679, 1820, 1898, 2036, 2044, 2093, 2545, 2555, 2990, 3220, 3358, 3563, 3796, 4186, 4745, 5090, 5110, 5980, 6617, 6643, 6716, 7126, 8372, 8395, 9490, 10180, 10220, 10465, 11707, 11753, 13234, 13286, 14252, 16790, 17815, 18980, 20930, 21827, 23414, 23506, 26468, 26572, 33085, 33215, 33580, 35630, 37157, 41860, 43654, 46319, 46828, 47012, 58535, 58765, 66170, 66430, 71260, 74314, 81949, 87308, 92638, 109135, 117070, 117530, 132340, 132860, 148628, 152191, 152789, 163898, 185276, 185785, 218270, 231595, 234140, 235060, 260099, 304382, 305578, 327796, 371570, 409745, 436540, 463190, 483041, 520198, 608764, 611156, 743140, 760955, 763945, 819490, 854611, 926380, 966082, 1040396, 1065337, 1300495, 1521910, 1527890, 1638980, 1709222, 1932164, 2130674, 2415205, 2600990, 3043820, 3055780, 3381287, 3418444, 4261348, 4273055, 4830410, 5201980, 5326685, 5982277, 6762574, 8546110, 9660820, 10653370, 11109943, 11964554, 13525148, 16906435, 17092220, 21306740, 22219886, 23929108, 29911385, 33812870, 44439772, 55549715, 59822770, 67625740, 77769601, 111099430, 119645540, 155539202, 222198860, 311078404, 388848005, 777696010, 1555392020]

約数ペア:

[(1, 1555392020), (2, 777696010), (4, 388848005), (5, 311078404), (7, 222198860), (10, 155539202), (13, 119645540), (14, 111099430), (20, 77769601), (23, 67625740), (26, 59822770), (28, 55549715), (35, 44439772), (46, 33812870), (52, 29911385), (65, 23929108), (70, 22219886), (73, 21306740), (91, 17092220), (92, 16906435), (115, 13525148), (130, 11964554), (140, 11109943), (146, 10653370), (161, 9660820), (182, 8546110), (230, 6762574), (260, 5982277), (292, 5326685), (299, 5201980), (322, 4830410), (364, 4273055), (365, 4261348), (455, 3418444), (460, 3381287), (509, 3055780), (511, 3043820), (598, 2600990), (644, 2415205), (730, 2130674), (805, 1932164), (910, 1709222), (949, 1638980), (1018, 1527890), (1022, 1521910), (1196, 1300495), (1460, 1065337), (1495, 1040396), (1610, 966082), (1679, 926380), (1820, 854611), (1898, 819490), (2036, 763945), (2044, 760955), (2093, 743140), (2545, 611156), (2555, 608764), (2990, 520198), (3220, 483041), (3358, 463190), (3563, 436540), (3796, 409745), (4186, 371570), (4745, 327796), (5090, 305578), (5110, 304382), (5980, 260099), (6617, 235060), (6643, 234140), (6716, 231595), (7126, 218270), (8372, 185785), (8395, 185276), (9490, 163898), (10180, 152789), (10220, 152191), (10465, 148628), (11707, 132860), (11753, 132340), (13234, 117530), (13286, 117070), (14252, 109135), (16790, 92638), (17815, 87308), (18980, 81949), (20930, 74314), (21827, 71260), (23414, 66430), (23506, 66170), (26468, 58765), (26572, 58535), (33085, 47012), (33215, 46828), (33580, 46319), (35630, 43654), (37157, 41860)]