165770440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:371

約数の個数: 128

約数和(自身を含む): 435456000

約数和(自身を除く): 269685560

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 79, 88, 95, 110, 152, 158, 190, 209, 220, 251, 316, 380, 395, 418, 440, 502, 632, 760, 790, 836, 869, 1004, 1045, 1255, 1501, 1580, 1672, 1738, 2008, 2090, 2510, 2761, 3002, 3160, 3476, 4180, 4345, 4769, 5020, 5522, 6004, 6952, 7505, 8360, 8690, 9538, 10040, 11044, 12008, 13805, 15010, 16511, 17380, 19076, 19829, 22088, 23845, 27610, 30020, 33022, 34760, 38152, 39658, 47690, 52459, 55220, 60040, 66044, 79316, 82555, 95380, 99145, 104918, 110440, 132088, 158632, 165110, 190760, 198290, 209836, 218119, 262295, 330220, 376751, 396580, 419672, 436238, 524590, 660440, 753502, 793160, 872476, 1049180, 1090595, 1507004, 1744952, 1883755, 2098360, 2181190, 3014008, 3767510, 4144261, 4362380, 7535020, 8288522, 8724760, 15070040, 16577044, 20721305, 33154088, 41442610, 82885220, 165770440]

約数ペア:

[(1, 165770440), (2, 82885220), (4, 41442610), (5, 33154088), (8, 20721305), (10, 16577044), (11, 15070040), (19, 8724760), (20, 8288522), (22, 7535020), (38, 4362380), (40, 4144261), (44, 3767510), (55, 3014008), (76, 2181190), (79, 2098360), (88, 1883755), (95, 1744952), (110, 1507004), (152, 1090595), (158, 1049180), (190, 872476), (209, 793160), (220, 753502), (251, 660440), (316, 524590), (380, 436238), (395, 419672), (418, 396580), (440, 376751), (502, 330220), (632, 262295), (760, 218119), (790, 209836), (836, 198290), (869, 190760), (1004, 165110), (1045, 158632), (1255, 132088), (1501, 110440), (1580, 104918), (1672, 99145), (1738, 95380), (2008, 82555), (2090, 79316), (2510, 66044), (2761, 60040), (3002, 55220), (3160, 52459), (3476, 47690), (4180, 39658), (4345, 38152), (4769, 34760), (5020, 33022), (5522, 30020), (6004, 27610), (6952, 23845), (7505, 22088), (8360, 19829), (8690, 19076), (9538, 17380), (10040, 16511), (11044, 15010), (12008, 13805)]