281591910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2043

約数の個数: 128

約数和(自身を含む): 821145600

約数和(自身を除く): 539553690

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 31, 34, 45, 51, 54, 62, 85, 90, 93, 102, 135, 153, 155, 170, 186, 255, 270, 279, 306, 310, 459, 465, 510, 527, 558, 765, 837, 918, 930, 1054, 1395, 1530, 1581, 1674, 1979, 2295, 2635, 2790, 3162, 3958, 4185, 4590, 4743, 5270, 5937, 7905, 8370, 9486, 9895, 11874, 14229, 15810, 17811, 19790, 23715, 28458, 29685, 33643, 35622, 47430, 53433, 59370, 61349, 67286, 71145, 89055, 100929, 106866, 122698, 142290, 168215, 178110, 184047, 201858, 267165, 302787, 306745, 336430, 368094, 504645, 534330, 552141, 605574, 613490, 908361, 920235, 1009290, 1042933, 1104282, 1513935, 1656423, 1816722, 1840470, 2085866, 2760705, 3027870, 3128799, 3312846, 4541805, 5214665, 5521410, 6257598, 8282115, 9083610, 9386397, 10429330, 15643995, 16564230, 18772794, 28159191, 31287990, 46931985, 56318382, 93863970, 140795955, 281591910]

約数ペア:

[(1, 281591910), (2, 140795955), (3, 93863970), (5, 56318382), (6, 46931985), (9, 31287990), (10, 28159191), (15, 18772794), (17, 16564230), (18, 15643995), (27, 10429330), (30, 9386397), (31, 9083610), (34, 8282115), (45, 6257598), (51, 5521410), (54, 5214665), (62, 4541805), (85, 3312846), (90, 3128799), (93, 3027870), (102, 2760705), (135, 2085866), (153, 1840470), (155, 1816722), (170, 1656423), (186, 1513935), (255, 1104282), (270, 1042933), (279, 1009290), (306, 920235), (310, 908361), (459, 613490), (465, 605574), (510, 552141), (527, 534330), (558, 504645), (765, 368094), (837, 336430), (918, 306745), (930, 302787), (1054, 267165), (1395, 201858), (1530, 184047), (1581, 178110), (1674, 168215), (1979, 142290), (2295, 122698), (2635, 106866), (2790, 100929), (3162, 89055), (3958, 71145), (4185, 67286), (4590, 61349), (4743, 59370), (5270, 53433), (5937, 47430), (7905, 35622), (8370, 33643), (9486, 29685), (9895, 28458), (11874, 23715), (14229, 19790), (15810, 17811)]