7870312980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1\times {\mathrm{727}}^1$

素因数の和:1318

約数の個数: 144

約数和(自身を含む): 24135471360

約数和(自身を除く): 16265158380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 439, 548, 685, 727, 822, 878, 1233, 1317, 1370, 1454, 1644, 1756, 2055, 2181, 2195, 2466, 2634, 2740, 2908, 3635, 3951, 4110, 4362, 4390, 4932, 5268, 6165, 6543, 6585, 7270, 7902, 8220, 8724, 8780, 10905, 12330, 13086, 13170, 14540, 15804, 19755, 21810, 24660, 26172, 26340, 32715, 39510, 43620, 60143, 65430, 79020, 99599, 120286, 130860, 180429, 199198, 240572, 298797, 300715, 319153, 360858, 398396, 497995, 541287, 597594, 601430, 638306, 721716, 896391, 902145, 957459, 995990, 1082574, 1195188, 1202860, 1276612, 1493985, 1595765, 1792782, 1804290, 1914918, 1991980, 2165148, 2706435, 2872377, 2987970, 3191530, 3585564, 3608580, 3829836, 4481955, 4787295, 5412870, 5744754, 5975940, 6383060, 8963910, 9574590, 10825740, 11489508, 14361885, 17927820, 19149180, 28723770, 43723961, 57447540, 87447922, 131171883, 174895844, 218619805, 262343766, 393515649, 437239610, 524687532, 655859415, 787031298, 874479220, 1311718830, 1574062596, 1967578245, 2623437660, 3935156490, 7870312980]

約数ペア:

[(1, 7870312980), (2, 3935156490), (3, 2623437660), (4, 1967578245), (5, 1574062596), (6, 1311718830), (9, 874479220), (10, 787031298), (12, 655859415), (15, 524687532), (18, 437239610), (20, 393515649), (30, 262343766), (36, 218619805), (45, 174895844), (60, 131171883), (90, 87447922), (137, 57447540), (180, 43723961), (274, 28723770), (411, 19149180), (439, 17927820), (548, 14361885), (685, 11489508), (727, 10825740), (822, 9574590), (878, 8963910), (1233, 6383060), (1317, 5975940), (1370, 5744754), (1454, 5412870), (1644, 4787295), (1756, 4481955), (2055, 3829836), (2181, 3608580), (2195, 3585564), (2466, 3191530), (2634, 2987970), (2740, 2872377), (2908, 2706435), (3635, 2165148), (3951, 1991980), (4110, 1914918), (4362, 1804290), (4390, 1792782), (4932, 1595765), (5268, 1493985), (6165, 1276612), (6543, 1202860), (6585, 1195188), (7270, 1082574), (7902, 995990), (8220, 957459), (8724, 902145), (8780, 896391), (10905, 721716), (12330, 638306), (13086, 601430), (13170, 597594), (14540, 541287), (15804, 497995), (19755, 398396), (21810, 360858), (24660, 319153), (26172, 300715), (26340, 298797), (32715, 240572), (39510, 199198), (43620, 180429), (60143, 130860), (65430, 120286), (79020, 99599)]