20146738860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1\times {\mathrm{1619}}^1$

素因数の和:2160

約数の個数: 144

約数和(自身を含む): 61615663200

約数和(自身を除く): 41468924340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 269, 514, 538, 771, 807, 1028, 1076, 1285, 1345, 1542, 1614, 1619, 2313, 2421, 2570, 2690, 3084, 3228, 3238, 3855, 4035, 4626, 4842, 4857, 5140, 5380, 6476, 7710, 8070, 8095, 9252, 9684, 9714, 11565, 12105, 14571, 15420, 16140, 16190, 19428, 23130, 24210, 24285, 29142, 32380, 46260, 48420, 48570, 58284, 69133, 72855, 97140, 138266, 145710, 207399, 276532, 291420, 345665, 414798, 416083, 435511, 622197, 691330, 829596, 832166, 871022, 1036995, 1244394, 1248249, 1306533, 1382660, 1664332, 1742044, 2073990, 2080415, 2177555, 2488788, 2496498, 2613066, 3110985, 3744747, 3919599, 4147980, 4160830, 4355110, 4992996, 5226132, 6221970, 6241245, 6532665, 7489494, 7839198, 8321660, 8710220, 12443940, 12482490, 13065330, 14978988, 15678396, 18723735, 19597995, 24964980, 26130660, 37447470, 39195990, 74894940, 78391980, 111926327, 223852654, 335778981, 447705308, 559631635, 671557962, 1007336943, 1119263270, 1343115924, 1678894905, 2014673886, 2238526540, 3357789810, 4029347772, 5036684715, 6715579620, 10073369430, 20146738860]

約数ペア:

[(1, 20146738860), (2, 10073369430), (3, 6715579620), (4, 5036684715), (5, 4029347772), (6, 3357789810), (9, 2238526540), (10, 2014673886), (12, 1678894905), (15, 1343115924), (18, 1119263270), (20, 1007336943), (30, 671557962), (36, 559631635), (45, 447705308), (60, 335778981), (90, 223852654), (180, 111926327), (257, 78391980), (269, 74894940), (514, 39195990), (538, 37447470), (771, 26130660), (807, 24964980), (1028, 19597995), (1076, 18723735), (1285, 15678396), (1345, 14978988), (1542, 13065330), (1614, 12482490), (1619, 12443940), (2313, 8710220), (2421, 8321660), (2570, 7839198), (2690, 7489494), (3084, 6532665), (3228, 6241245), (3238, 6221970), (3855, 5226132), (4035, 4992996), (4626, 4355110), (4842, 4160830), (4857, 4147980), (5140, 3919599), (5380, 3744747), (6476, 3110985), (7710, 2613066), (8070, 2496498), (8095, 2488788), (9252, 2177555), (9684, 2080415), (9714, 2073990), (11565, 1742044), (12105, 1664332), (14571, 1382660), (15420, 1306533), (16140, 1248249), (16190, 1244394), (19428, 1036995), (23130, 871022), (24210, 832166), (24285, 829596), (29142, 691330), (32380, 622197), (46260, 435511), (48420, 416083), (48570, 414798), (58284, 345665), (69133, 291420), (72855, 276532), (97140, 207399), (138266, 145710)]