256602080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13477}}^1$

素因数の和:13516

約数の個数: 96

約数和(自身を含む): 733634496

約数和(自身を除く): 477032416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 1120, 1190, 1360, 1904, 2380, 2720, 3808, 4760, 9520, 13477, 19040, 26954, 53908, 67385, 94339, 107816, 134770, 188678, 215632, 229109, 269540, 377356, 431264, 458218, 471695, 539080, 754712, 916436, 943390, 1078160, 1145545, 1509424, 1603763, 1832872, 1886780, 2156320, 2291090, 3018848, 3207526, 3665744, 3773560, 4582180, 6415052, 7331488, 7547120, 8018815, 9164360, 12830104, 15094240, 16037630, 18328720, 25660208, 32075260, 36657440, 51320416, 64150520, 128301040, 256602080]

約数ペア:

[(1, 256602080), (2, 128301040), (4, 64150520), (5, 51320416), (7, 36657440), (8, 32075260), (10, 25660208), (14, 18328720), (16, 16037630), (17, 15094240), (20, 12830104), (28, 9164360), (32, 8018815), (34, 7547120), (35, 7331488), (40, 6415052), (56, 4582180), (68, 3773560), (70, 3665744), (80, 3207526), (85, 3018848), (112, 2291090), (119, 2156320), (136, 1886780), (140, 1832872), (160, 1603763), (170, 1509424), (224, 1145545), (238, 1078160), (272, 943390), (280, 916436), (340, 754712), (476, 539080), (544, 471695), (560, 458218), (595, 431264), (680, 377356), (952, 269540), (1120, 229109), (1190, 215632), (1360, 188678), (1904, 134770), (2380, 107816), (2720, 94339), (3808, 67385), (4760, 53908), (9520, 26954), (13477, 19040)]