720046815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{823}}^1$

素因数の和:968

約数の個数: 64

約数和(自身を含む): 1264398336

約数和(自身を除く): 544351521

約数列:

[1, 3, 5, 15, 17, 47, 51, 73, 85, 141, 219, 235, 255, 365, 705, 799, 823, 1095, 1241, 2397, 2469, 3431, 3723, 3995, 4115, 6205, 10293, 11985, 12345, 13991, 17155, 18615, 38681, 41973, 51465, 58327, 60079, 69955, 116043, 174981, 180237, 193405, 209865, 291635, 300395, 580215, 657577, 874905, 901185, 1021343, 1972731, 2823713, 3064029, 3287885, 5106715, 8471139, 9863655, 14118565, 15320145, 42355695, 48003121, 144009363, 240015605, 720046815]

約数ペア:

[(1, 720046815), (3, 240015605), (5, 144009363), (15, 48003121), (17, 42355695), (47, 15320145), (51, 14118565), (73, 9863655), (85, 8471139), (141, 5106715), (219, 3287885), (235, 3064029), (255, 2823713), (365, 1972731), (705, 1021343), (799, 901185), (823, 874905), (1095, 657577), (1241, 580215), (2397, 300395), (2469, 291635), (3431, 209865), (3723, 193405), (3995, 180237), (4115, 174981), (6205, 116043), (10293, 69955), (11985, 60079), (12345, 58327), (13991, 51465), (17155, 41973), (18615, 38681)]