1965286920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1\times {\mathrm{691}}^1$

素因数の和:1015

約数の個数: 128

約数和(自身を含む): 5981869440

約数和(自身を除く): 4016582520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 173, 274, 346, 411, 519, 548, 685, 691, 692, 822, 865, 1038, 1096, 1370, 1382, 1384, 1644, 1730, 2055, 2073, 2076, 2595, 2740, 2764, 3288, 3455, 3460, 4110, 4146, 4152, 5190, 5480, 5528, 6910, 6920, 8220, 8292, 10365, 10380, 13820, 16440, 16584, 20730, 20760, 23701, 27640, 41460, 47402, 71103, 82920, 94667, 94804, 118505, 119543, 142206, 189334, 189608, 237010, 239086, 284001, 284412, 355515, 358629, 378668, 473335, 474020, 478172, 568002, 568824, 597715, 711030, 717258, 757336, 946670, 948040, 956344, 1136004, 1195430, 1420005, 1422060, 1434516, 1793145, 1893340, 2272008, 2390860, 2840010, 2844120, 2869032, 3586290, 3786680, 4781720, 5680020, 7172580, 11360040, 14345160, 16377391, 32754782, 49132173, 65509564, 81886955, 98264346, 131019128, 163773910, 196528692, 245660865, 327547820, 393057384, 491321730, 655095640, 982643460, 1965286920]

約数ペア:

[(1, 1965286920), (2, 982643460), (3, 655095640), (4, 491321730), (5, 393057384), (6, 327547820), (8, 245660865), (10, 196528692), (12, 163773910), (15, 131019128), (20, 98264346), (24, 81886955), (30, 65509564), (40, 49132173), (60, 32754782), (120, 16377391), (137, 14345160), (173, 11360040), (274, 7172580), (346, 5680020), (411, 4781720), (519, 3786680), (548, 3586290), (685, 2869032), (691, 2844120), (692, 2840010), (822, 2390860), (865, 2272008), (1038, 1893340), (1096, 1793145), (1370, 1434516), (1382, 1422060), (1384, 1420005), (1644, 1195430), (1730, 1136004), (2055, 956344), (2073, 948040), (2076, 946670), (2595, 757336), (2740, 717258), (2764, 711030), (3288, 597715), (3455, 568824), (3460, 568002), (4110, 478172), (4146, 474020), (4152, 473335), (5190, 378668), (5480, 358629), (5528, 355515), (6910, 284412), (6920, 284001), (8220, 239086), (8292, 237010), (10365, 189608), (10380, 189334), (13820, 142206), (16440, 119543), (16584, 118505), (20730, 94804), (20760, 94667), (23701, 82920), (27640, 71103), (41460, 47402)]