31130580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{373}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 95001984

約数和(自身を除く): 63871404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 107, 130, 156, 195, 214, 260, 321, 373, 390, 428, 535, 642, 746, 780, 1070, 1119, 1284, 1391, 1492, 1605, 1865, 2140, 2238, 2782, 3210, 3730, 4173, 4476, 4849, 5564, 5595, 6420, 6955, 7460, 8346, 9698, 11190, 13910, 14547, 16692, 19396, 20865, 22380, 24245, 27820, 29094, 39911, 41730, 48490, 58188, 72735, 79822, 83460, 96980, 119733, 145470, 159644, 199555, 239466, 290940, 399110, 478932, 518843, 598665, 798220, 1037686, 1197330, 1556529, 2075372, 2394660, 2594215, 3113058, 5188430, 6226116, 7782645, 10376860, 15565290, 31130580]

約数ペア:

[(1, 31130580), (2, 15565290), (3, 10376860), (4, 7782645), (5, 6226116), (6, 5188430), (10, 3113058), (12, 2594215), (13, 2394660), (15, 2075372), (20, 1556529), (26, 1197330), (30, 1037686), (39, 798220), (52, 598665), (60, 518843), (65, 478932), (78, 399110), (107, 290940), (130, 239466), (156, 199555), (195, 159644), (214, 145470), (260, 119733), (321, 96980), (373, 83460), (390, 79822), (428, 72735), (535, 58188), (642, 48490), (746, 41730), (780, 39911), (1070, 29094), (1119, 27820), (1284, 24245), (1391, 22380), (1492, 20865), (1605, 19396), (1865, 16692), (2140, 14547), (2238, 13910), (2782, 11190), (3210, 9698), (3730, 8346), (4173, 7460), (4476, 6955), (4849, 6420), (5564, 5595)]