261816660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{719}}^1$

素因数の和:775

約数の個数: 216

約数和(自身を含む): 965502720

約数和(自身を除く): 703686060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 289, 306, 315, 340, 357, 420, 476, 510, 578, 595, 612, 630, 714, 719, 765, 867, 1020, 1071, 1156, 1190, 1260, 1428, 1438, 1445, 1530, 1734, 1785, 2023, 2142, 2157, 2380, 2601, 2876, 2890, 3060, 3468, 3570, 3595, 4046, 4284, 4314, 4335, 5033, 5202, 5355, 5780, 6069, 6471, 7140, 7190, 8092, 8628, 8670, 10066, 10115, 10404, 10710, 10785, 12138, 12223, 12942, 13005, 14380, 15099, 17340, 18207, 20132, 20230, 21420, 21570, 24276, 24446, 25165, 25884, 26010, 30198, 30345, 32355, 36414, 36669, 40460, 43140, 45297, 48892, 50330, 52020, 60396, 60690, 61115, 64710, 72828, 73338, 75495, 85561, 90594, 91035, 100660, 110007, 121380, 122230, 129420, 146676, 150990, 171122, 181188, 182070, 183345, 207791, 220014, 226485, 244460, 256683, 301980, 342244, 364140, 366690, 415582, 427805, 440028, 452970, 513366, 550035, 623373, 733380, 770049, 831164, 855610, 905940, 1026732, 1038955, 1100070, 1246746, 1283415, 1454537, 1540098, 1711220, 1870119, 2077910, 2200140, 2493492, 2566830, 2909074, 3080196, 3116865, 3740238, 3850245, 4155820, 4363611, 5133660, 5818148, 6233730, 7272685, 7480476, 7700490, 8727222, 9350595, 12467460, 13090833, 14545370, 15400980, 17454444, 18701190, 21818055, 26181666, 29090740, 37402380, 43636110, 52363332, 65454165, 87272220, 130908330, 261816660]

約数ペア:

[(1, 261816660), (2, 130908330), (3, 87272220), (4, 65454165), (5, 52363332), (6, 43636110), (7, 37402380), (9, 29090740), (10, 26181666), (12, 21818055), (14, 18701190), (15, 17454444), (17, 15400980), (18, 14545370), (20, 13090833), (21, 12467460), (28, 9350595), (30, 8727222), (34, 7700490), (35, 7480476), (36, 7272685), (42, 6233730), (45, 5818148), (51, 5133660), (60, 4363611), (63, 4155820), (68, 3850245), (70, 3740238), (84, 3116865), (85, 3080196), (90, 2909074), (102, 2566830), (105, 2493492), (119, 2200140), (126, 2077910), (140, 1870119), (153, 1711220), (170, 1540098), (180, 1454537), (204, 1283415), (210, 1246746), (238, 1100070), (252, 1038955), (255, 1026732), (289, 905940), (306, 855610), (315, 831164), (340, 770049), (357, 733380), (420, 623373), (476, 550035), (510, 513366), (578, 452970), (595, 440028), (612, 427805), (630, 415582), (714, 366690), (719, 364140), (765, 342244), (867, 301980), (1020, 256683), (1071, 244460), (1156, 226485), (1190, 220014), (1260, 207791), (1428, 183345), (1438, 182070), (1445, 181188), (1530, 171122), (1734, 150990), (1785, 146676), (2023, 129420), (2142, 122230), (2157, 121380), (2380, 110007), (2601, 100660), (2876, 91035), (2890, 90594), (3060, 85561), (3468, 75495), (3570, 73338), (3595, 72828), (4046, 64710), (4284, 61115), (4314, 60690), (4335, 60396), (5033, 52020), (5202, 50330), (5355, 48892), (5780, 45297), (6069, 43140), (6471, 40460), (7140, 36669), (7190, 36414), (8092, 32355), (8628, 30345), (8670, 30198), (10066, 26010), (10115, 25884), (10404, 25165), (10710, 24446), (10785, 24276), (12138, 21570), (12223, 21420), (12942, 20230), (13005, 20132), (14380, 18207), (15099, 17340)]