87377220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2237}}^1$

素因数の和:2290

約数の個数: 144

約数和(自身を含む): 312818688

約数和(自身を除く): 225441468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2237, 2604, 2790, 3255, 3906, 4340, 4474, 5580, 6510, 6711, 7812, 8948, 9765, 11185, 13020, 13422, 15659, 19530, 20133, 22370, 26844, 31318, 33555, 39060, 40266, 44740, 46977, 62636, 67110, 69347, 78295, 80532, 93954, 100665, 134220, 138694, 140931, 156590, 187908, 201330, 208041, 234885, 277388, 281862, 313180, 346735, 402660, 416082, 469770, 485429, 563724, 624123, 693470, 704655, 832164, 939540, 970858, 1040205, 1248246, 1386940, 1409310, 1456287, 1941716, 2080410, 2427145, 2496492, 2818620, 2912574, 3120615, 4160820, 4368861, 4854290, 5825148, 6241230, 7281435, 8737722, 9708580, 12482460, 14562870, 17475444, 21844305, 29125740, 43688610, 87377220]

約数ペア:

[(1, 87377220), (2, 43688610), (3, 29125740), (4, 21844305), (5, 17475444), (6, 14562870), (7, 12482460), (9, 9708580), (10, 8737722), (12, 7281435), (14, 6241230), (15, 5825148), (18, 4854290), (20, 4368861), (21, 4160820), (28, 3120615), (30, 2912574), (31, 2818620), (35, 2496492), (36, 2427145), (42, 2080410), (45, 1941716), (60, 1456287), (62, 1409310), (63, 1386940), (70, 1248246), (84, 1040205), (90, 970858), (93, 939540), (105, 832164), (124, 704655), (126, 693470), (140, 624123), (155, 563724), (180, 485429), (186, 469770), (210, 416082), (217, 402660), (252, 346735), (279, 313180), (310, 281862), (315, 277388), (372, 234885), (420, 208041), (434, 201330), (465, 187908), (558, 156590), (620, 140931), (630, 138694), (651, 134220), (868, 100665), (930, 93954), (1085, 80532), (1116, 78295), (1260, 69347), (1302, 67110), (1395, 62636), (1860, 46977), (1953, 44740), (2170, 40266), (2237, 39060), (2604, 33555), (2790, 31318), (3255, 26844), (3906, 22370), (4340, 20133), (4474, 19530), (5580, 15659), (6510, 13422), (6711, 13020), (7812, 11185), (8948, 9765)]