256567740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1759}}^1$

素因数の和:1812

約数の個数: 192

約数和(自身を含む): 894136320

約数和(自身を除く): 637568580

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 17, 20, 22, 26, 30, 33, 34, 39, 44, 51, 52, 55, 60, 65, 66, 68, 78, 85, 102, 110, 130, 132, 143, 156, 165, 170, 187, 195, 204, 220, 221, 255, 260, 286, 330, 340, 374, 390, 429, 442, 510, 561, 572, 660, 663, 715, 748, 780, 858, 884, 935, 1020, 1105, 1122, 1326, 1430, 1716, 1759, 1870, 2145, 2210, 2244, 2431, 2652, 2805, 2860, 3315, 3518, 3740, 4290, 4420, 4862, 5277, 5610, 6630, 7036, 7293, 8580, 8795, 9724, 10554, 11220, 12155, 13260, 14586, 17590, 19349, 21108, 22867, 24310, 26385, 29172, 29903, 35180, 36465, 38698, 45734, 48620, 52770, 58047, 59806, 68601, 72930, 77396, 89709, 91468, 96745, 105540, 114335, 116094, 119612, 137202, 145860, 149515, 179418, 193490, 228670, 232188, 251537, 274404, 290235, 299030, 328933, 343005, 358836, 386980, 388739, 448545, 457340, 503074, 580470, 598060, 657866, 686010, 754611, 777478, 897090, 986799, 1006148, 1160940, 1166217, 1257685, 1315732, 1372020, 1509222, 1554956, 1644665, 1794180, 1943695, 1973598, 2332434, 2515370, 3018444, 3289330, 3773055, 3887390, 3947196, 4276129, 4664868, 4933995, 5030740, 5831085, 6578660, 7546110, 7774780, 8552258, 9867990, 11662170, 12828387, 15092220, 17104516, 19735980, 21380645, 23324340, 25656774, 42761290, 51313548, 64141935, 85522580, 128283870, 256567740]

約数ペア:

[(1, 256567740), (2, 128283870), (3, 85522580), (4, 64141935), (5, 51313548), (6, 42761290), (10, 25656774), (11, 23324340), (12, 21380645), (13, 19735980), (15, 17104516), (17, 15092220), (20, 12828387), (22, 11662170), (26, 9867990), (30, 8552258), (33, 7774780), (34, 7546110), (39, 6578660), (44, 5831085), (51, 5030740), (52, 4933995), (55, 4664868), (60, 4276129), (65, 3947196), (66, 3887390), (68, 3773055), (78, 3289330), (85, 3018444), (102, 2515370), (110, 2332434), (130, 1973598), (132, 1943695), (143, 1794180), (156, 1644665), (165, 1554956), (170, 1509222), (187, 1372020), (195, 1315732), (204, 1257685), (220, 1166217), (221, 1160940), (255, 1006148), (260, 986799), (286, 897090), (330, 777478), (340, 754611), (374, 686010), (390, 657866), (429, 598060), (442, 580470), (510, 503074), (561, 457340), (572, 448545), (660, 388739), (663, 386980), (715, 358836), (748, 343005), (780, 328933), (858, 299030), (884, 290235), (935, 274404), (1020, 251537), (1105, 232188), (1122, 228670), (1326, 193490), (1430, 179418), (1716, 149515), (1759, 145860), (1870, 137202), (2145, 119612), (2210, 116094), (2244, 114335), (2431, 105540), (2652, 96745), (2805, 91468), (2860, 89709), (3315, 77396), (3518, 72930), (3740, 68601), (4290, 59806), (4420, 58047), (4862, 52770), (5277, 48620), (5610, 45734), (6630, 38698), (7036, 36465), (7293, 35180), (8580, 29903), (8795, 29172), (9724, 26385), (10554, 24310), (11220, 22867), (12155, 21108), (13260, 19349), (14586, 17590)]