51781320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8461}}^1$

素因数の和:8495

約数の個数: 96

約数和(自身を含む): 178209720

約数和(自身を除く): 126428400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 8461, 16922, 25383, 33844, 42305, 50766, 67688, 76149, 84610, 101532, 126915, 143837, 152298, 169220, 203064, 253830, 287674, 304596, 338440, 380745, 431511, 507660, 575348, 609192, 719185, 761490, 863022, 1015320, 1150696, 1294533, 1438370, 1522980, 1726044, 2157555, 2589066, 2876740, 3045960, 3452088, 4315110, 5178132, 5753480, 6472665, 8630220, 10356264, 12945330, 17260440, 25890660, 51781320]

約数ペア:

[(1, 51781320), (2, 25890660), (3, 17260440), (4, 12945330), (5, 10356264), (6, 8630220), (8, 6472665), (9, 5753480), (10, 5178132), (12, 4315110), (15, 3452088), (17, 3045960), (18, 2876740), (20, 2589066), (24, 2157555), (30, 1726044), (34, 1522980), (36, 1438370), (40, 1294533), (45, 1150696), (51, 1015320), (60, 863022), (68, 761490), (72, 719185), (85, 609192), (90, 575348), (102, 507660), (120, 431511), (136, 380745), (153, 338440), (170, 304596), (180, 287674), (204, 253830), (255, 203064), (306, 169220), (340, 152298), (360, 143837), (408, 126915), (510, 101532), (612, 84610), (680, 76149), (765, 67688), (1020, 50766), (1224, 42305), (1530, 33844), (2040, 25383), (3060, 16922), (6120, 8461)]