221442480

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{829}}^1$

素因数の和:908

約数の個数: 240

約数和(自身を含む): 866998080

約数和(自身を除く): 645555600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 53, 56, 60, 63, 70, 72, 80, 84, 90, 105, 106, 112, 120, 126, 140, 144, 159, 168, 180, 210, 212, 240, 252, 265, 280, 315, 318, 336, 360, 371, 420, 424, 477, 504, 530, 560, 630, 636, 720, 742, 795, 829, 840, 848, 954, 1008, 1060, 1113, 1260, 1272, 1484, 1590, 1658, 1680, 1855, 1908, 2120, 2226, 2385, 2487, 2520, 2544, 2968, 3180, 3316, 3339, 3710, 3816, 4145, 4240, 4452, 4770, 4974, 5040, 5565, 5803, 5936, 6360, 6632, 6678, 7420, 7461, 7632, 8290, 8904, 9540, 9948, 11130, 11606, 12435, 12720, 13264, 13356, 14840, 14922, 16580, 16695, 17409, 17808, 19080, 19896, 22260, 23212, 24870, 26712, 29015, 29680, 29844, 33160, 33390, 34818, 37305, 38160, 39792, 43937, 44520, 46424, 49740, 52227, 53424, 58030, 59688, 66320, 66780, 69636, 74610, 87045, 87874, 89040, 92848, 99480, 104454, 116060, 119376, 131811, 133560, 139272, 149220, 174090, 175748, 198960, 208908, 219685, 232120, 261135, 263622, 267120, 278544, 298440, 307559, 348180, 351496, 395433, 417816, 439370, 464240, 522270, 527244, 596880, 615118, 659055, 696360, 702992, 790866, 835632, 878740, 922677, 1044540, 1054488, 1230236, 1318110, 1392720, 1537795, 1581732, 1757480, 1845354, 1977165, 2089080, 2108976, 2460472, 2636220, 2768031, 3075590, 3163464, 3514960, 3690708, 3954330, 4178160, 4613385, 4920944, 5272440, 5536062, 6151180, 6326928, 7381416, 7908660, 9226770, 10544880, 11072124, 12302360, 13840155, 14762832, 15817320, 18453540, 22144248, 24604720, 27680310, 31634640, 36907080, 44288496, 55360620, 73814160, 110721240, 221442480]

約数ペア:

[(1, 221442480), (2, 110721240), (3, 73814160), (4, 55360620), (5, 44288496), (6, 36907080), (7, 31634640), (8, 27680310), (9, 24604720), (10, 22144248), (12, 18453540), (14, 15817320), (15, 14762832), (16, 13840155), (18, 12302360), (20, 11072124), (21, 10544880), (24, 9226770), (28, 7908660), (30, 7381416), (35, 6326928), (36, 6151180), (40, 5536062), (42, 5272440), (45, 4920944), (48, 4613385), (53, 4178160), (56, 3954330), (60, 3690708), (63, 3514960), (70, 3163464), (72, 3075590), (80, 2768031), (84, 2636220), (90, 2460472), (105, 2108976), (106, 2089080), (112, 1977165), (120, 1845354), (126, 1757480), (140, 1581732), (144, 1537795), (159, 1392720), (168, 1318110), (180, 1230236), (210, 1054488), (212, 1044540), (240, 922677), (252, 878740), (265, 835632), (280, 790866), (315, 702992), (318, 696360), (336, 659055), (360, 615118), (371, 596880), (420, 527244), (424, 522270), (477, 464240), (504, 439370), (530, 417816), (560, 395433), (630, 351496), (636, 348180), (720, 307559), (742, 298440), (795, 278544), (829, 267120), (840, 263622), (848, 261135), (954, 232120), (1008, 219685), (1060, 208908), (1113, 198960), (1260, 175748), (1272, 174090), (1484, 149220), (1590, 139272), (1658, 133560), (1680, 131811), (1855, 119376), (1908, 116060), (2120, 104454), (2226, 99480), (2385, 92848), (2487, 89040), (2520, 87874), (2544, 87045), (2968, 74610), (3180, 69636), (3316, 66780), (3339, 66320), (3710, 59688), (3816, 58030), (4145, 53424), (4240, 52227), (4452, 49740), (4770, 46424), (4974, 44520), (5040, 43937), (5565, 39792), (5803, 38160), (5936, 37305), (6360, 34818), (6632, 33390), (6678, 33160), (7420, 29844), (7461, 29680), (7632, 29015), (8290, 26712), (8904, 24870), (9540, 23212), (9948, 22260), (11130, 19896), (11606, 19080), (12435, 17808), (12720, 17409), (13264, 16695), (13356, 16580), (14840, 14922)]