291281120

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1069}}^1$

素因数の和:1228

約数の個数: 96

約数和(自身を含む): 747442080

約数和(自身を除く): 456160960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 131, 160, 208, 260, 262, 416, 520, 524, 655, 1040, 1048, 1069, 1310, 1703, 2080, 2096, 2138, 2620, 3406, 4192, 4276, 5240, 5345, 6812, 8515, 8552, 10480, 10690, 13624, 13897, 17030, 17104, 20960, 21380, 27248, 27794, 34060, 34208, 42760, 54496, 55588, 68120, 69485, 85520, 111176, 136240, 138970, 140039, 171040, 222352, 272480, 277940, 280078, 444704, 555880, 560156, 700195, 1111760, 1120312, 1400390, 1820507, 2223520, 2240624, 2800780, 3641014, 4481248, 5601560, 7282028, 9102535, 11203120, 14564056, 18205070, 22406240, 29128112, 36410140, 58256224, 72820280, 145640560, 291281120]

約数ペア:

[(1, 291281120), (2, 145640560), (4, 72820280), (5, 58256224), (8, 36410140), (10, 29128112), (13, 22406240), (16, 18205070), (20, 14564056), (26, 11203120), (32, 9102535), (40, 7282028), (52, 5601560), (65, 4481248), (80, 3641014), (104, 2800780), (130, 2240624), (131, 2223520), (160, 1820507), (208, 1400390), (260, 1120312), (262, 1111760), (416, 700195), (520, 560156), (524, 555880), (655, 444704), (1040, 280078), (1048, 277940), (1069, 272480), (1310, 222352), (1703, 171040), (2080, 140039), (2096, 138970), (2138, 136240), (2620, 111176), (3406, 85520), (4192, 69485), (4276, 68120), (5240, 55588), (5345, 54496), (6812, 42760), (8515, 34208), (8552, 34060), (10480, 27794), (10690, 27248), (13624, 21380), (13897, 20960), (17030, 17104)]