216721890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2843}}^1$

素因数の和:2885

約数の個数: 144

約数和(自身を含む): 708087744

約数和(自身を除く): 491365854

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 63, 66, 70, 77, 90, 99, 105, 110, 121, 126, 154, 165, 198, 210, 231, 242, 315, 330, 363, 385, 462, 495, 605, 630, 693, 726, 770, 847, 990, 1089, 1155, 1210, 1386, 1694, 1815, 2178, 2310, 2541, 2843, 3465, 3630, 4235, 5082, 5445, 5686, 6930, 7623, 8470, 8529, 10890, 12705, 14215, 15246, 17058, 19901, 25410, 25587, 28430, 31273, 38115, 39802, 42645, 51174, 59703, 62546, 76230, 85290, 93819, 99505, 119406, 127935, 156365, 179109, 187638, 199010, 218911, 255870, 281457, 298515, 312730, 344003, 358218, 437822, 469095, 562914, 597030, 656733, 688006, 895545, 938190, 1032009, 1094555, 1313466, 1407285, 1720015, 1791090, 1970199, 2064018, 2189110, 2408021, 2814570, 3096027, 3283665, 3440030, 3940398, 4816042, 5160045, 6192054, 6567330, 7224063, 9850995, 10320090, 12040105, 14448126, 15480135, 19701990, 21672189, 24080210, 30960270, 36120315, 43344378, 72240630, 108360945, 216721890]

約数ペア:

[(1, 216721890), (2, 108360945), (3, 72240630), (5, 43344378), (6, 36120315), (7, 30960270), (9, 24080210), (10, 21672189), (11, 19701990), (14, 15480135), (15, 14448126), (18, 12040105), (21, 10320090), (22, 9850995), (30, 7224063), (33, 6567330), (35, 6192054), (42, 5160045), (45, 4816042), (55, 3940398), (63, 3440030), (66, 3283665), (70, 3096027), (77, 2814570), (90, 2408021), (99, 2189110), (105, 2064018), (110, 1970199), (121, 1791090), (126, 1720015), (154, 1407285), (165, 1313466), (198, 1094555), (210, 1032009), (231, 938190), (242, 895545), (315, 688006), (330, 656733), (363, 597030), (385, 562914), (462, 469095), (495, 437822), (605, 358218), (630, 344003), (693, 312730), (726, 298515), (770, 281457), (847, 255870), (990, 218911), (1089, 199010), (1155, 187638), (1210, 179109), (1386, 156365), (1694, 127935), (1815, 119406), (2178, 99505), (2310, 93819), (2541, 85290), (2843, 76230), (3465, 62546), (3630, 59703), (4235, 51174), (5082, 42645), (5445, 39802), (5686, 38115), (6930, 31273), (7623, 28430), (8470, 25587), (8529, 25410), (10890, 19901), (12705, 17058), (14215, 15246)]