256575060

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{659}}^1$

素因数の和:787

約数の個数: 192

約数和(自身を含む): 922521600

約数和(自身を除く): 665946540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 103, 105, 108, 126, 135, 140, 180, 189, 206, 210, 252, 270, 309, 315, 378, 412, 420, 515, 540, 618, 630, 659, 721, 756, 927, 945, 1030, 1236, 1260, 1318, 1442, 1545, 1854, 1890, 1977, 2060, 2163, 2636, 2781, 2884, 3090, 3295, 3605, 3708, 3780, 3954, 4326, 4613, 4635, 5562, 5931, 6180, 6489, 6590, 7210, 7908, 8652, 9226, 9270, 9885, 10815, 11124, 11862, 12978, 13180, 13839, 13905, 14420, 17793, 18452, 18540, 19467, 19770, 21630, 23065, 23724, 25956, 27678, 27810, 29655, 32445, 35586, 38934, 39540, 41517, 43260, 46130, 55356, 55620, 59310, 64890, 67877, 69195, 71172, 77868, 83034, 88965, 92260, 97335, 118620, 124551, 129780, 135754, 138390, 166068, 177930, 194670, 203631, 207585, 249102, 271508, 276780, 339385, 355860, 389340, 407262, 415170, 475139, 498204, 610893, 622755, 678770, 814524, 830340, 950278, 1018155, 1221786, 1245510, 1357540, 1425417, 1832679, 1900556, 2036310, 2375695, 2443572, 2491020, 2850834, 3054465, 3665358, 4072620, 4276251, 4751390, 5701668, 6108930, 7127085, 7330716, 8552502, 9163395, 9502780, 12217860, 12828753, 14254170, 17105004, 18326790, 21381255, 25657506, 28508340, 36653580, 42762510, 51315012, 64143765, 85525020, 128287530, 256575060]

約数ペア:

[(1, 256575060), (2, 128287530), (3, 85525020), (4, 64143765), (5, 51315012), (6, 42762510), (7, 36653580), (9, 28508340), (10, 25657506), (12, 21381255), (14, 18326790), (15, 17105004), (18, 14254170), (20, 12828753), (21, 12217860), (27, 9502780), (28, 9163395), (30, 8552502), (35, 7330716), (36, 7127085), (42, 6108930), (45, 5701668), (54, 4751390), (60, 4276251), (63, 4072620), (70, 3665358), (84, 3054465), (90, 2850834), (103, 2491020), (105, 2443572), (108, 2375695), (126, 2036310), (135, 1900556), (140, 1832679), (180, 1425417), (189, 1357540), (206, 1245510), (210, 1221786), (252, 1018155), (270, 950278), (309, 830340), (315, 814524), (378, 678770), (412, 622755), (420, 610893), (515, 498204), (540, 475139), (618, 415170), (630, 407262), (659, 389340), (721, 355860), (756, 339385), (927, 276780), (945, 271508), (1030, 249102), (1236, 207585), (1260, 203631), (1318, 194670), (1442, 177930), (1545, 166068), (1854, 138390), (1890, 135754), (1977, 129780), (2060, 124551), (2163, 118620), (2636, 97335), (2781, 92260), (2884, 88965), (3090, 83034), (3295, 77868), (3605, 71172), (3708, 69195), (3780, 67877), (3954, 64890), (4326, 59310), (4613, 55620), (4635, 55356), (5562, 46130), (5931, 43260), (6180, 41517), (6489, 39540), (6590, 38934), (7210, 35586), (7908, 32445), (8652, 29655), (9226, 27810), (9270, 27678), (9885, 25956), (10815, 23724), (11124, 23065), (11862, 21630), (12978, 19770), (13180, 19467), (13839, 18540), (13905, 18452), (14420, 17793)]