254972480

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:162

約数の個数: 224

約数和(自身を含む): 746150400

約数和(自身を除く): 491177920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 101, 112, 115, 140, 160, 161, 184, 196, 202, 224, 230, 245, 280, 320, 322, 343, 368, 392, 404, 448, 460, 490, 505, 560, 644, 686, 707, 736, 784, 805, 808, 920, 980, 1010, 1120, 1127, 1288, 1372, 1414, 1472, 1568, 1610, 1616, 1715, 1840, 1960, 2020, 2240, 2254, 2323, 2576, 2744, 2828, 3136, 3220, 3232, 3430, 3535, 3680, 3920, 4040, 4508, 4646, 4949, 5152, 5488, 5635, 5656, 6440, 6464, 6860, 7070, 7360, 7840, 7889, 8080, 9016, 9292, 9898, 10304, 10976, 11270, 11312, 11615, 12880, 13720, 14140, 15680, 15778, 16160, 16261, 18032, 18584, 19796, 21952, 22540, 22624, 23230, 24745, 25760, 27440, 28280, 31556, 32320, 32522, 34643, 36064, 37168, 39445, 39592, 45080, 45248, 46460, 49490, 51520, 54880, 56560, 63112, 65044, 69286, 72128, 74336, 78890, 79184, 81305, 90160, 92920, 98980, 109760, 113120, 113827, 126224, 130088, 138572, 148672, 157780, 158368, 162610, 173215, 180320, 185840, 197960, 226240, 227654, 252448, 260176, 277144, 315560, 316736, 325220, 346430, 360640, 371680, 395920, 455308, 504896, 520352, 554288, 569135, 631120, 650440, 692860, 743360, 791840, 796789, 910616, 1040704, 1108576, 1138270, 1262240, 1300880, 1385720, 1583680, 1593578, 1821232, 2217152, 2276540, 2524480, 2601760, 2771440, 3187156, 3642464, 3983945, 4553080, 5203520, 5542880, 6374312, 7284928, 7967890, 9106160, 11085760, 12748624, 15935780, 18212320, 25497248, 31871560, 36424640, 50994496, 63743120, 127486240, 254972480]

約数ペア:

[(1, 254972480), (2, 127486240), (4, 63743120), (5, 50994496), (7, 36424640), (8, 31871560), (10, 25497248), (14, 18212320), (16, 15935780), (20, 12748624), (23, 11085760), (28, 9106160), (32, 7967890), (35, 7284928), (40, 6374312), (46, 5542880), (49, 5203520), (56, 4553080), (64, 3983945), (70, 3642464), (80, 3187156), (92, 2771440), (98, 2601760), (101, 2524480), (112, 2276540), (115, 2217152), (140, 1821232), (160, 1593578), (161, 1583680), (184, 1385720), (196, 1300880), (202, 1262240), (224, 1138270), (230, 1108576), (245, 1040704), (280, 910616), (320, 796789), (322, 791840), (343, 743360), (368, 692860), (392, 650440), (404, 631120), (448, 569135), (460, 554288), (490, 520352), (505, 504896), (560, 455308), (644, 395920), (686, 371680), (707, 360640), (736, 346430), (784, 325220), (805, 316736), (808, 315560), (920, 277144), (980, 260176), (1010, 252448), (1120, 227654), (1127, 226240), (1288, 197960), (1372, 185840), (1414, 180320), (1472, 173215), (1568, 162610), (1610, 158368), (1616, 157780), (1715, 148672), (1840, 138572), (1960, 130088), (2020, 126224), (2240, 113827), (2254, 113120), (2323, 109760), (2576, 98980), (2744, 92920), (2828, 90160), (3136, 81305), (3220, 79184), (3232, 78890), (3430, 74336), (3535, 72128), (3680, 69286), (3920, 65044), (4040, 63112), (4508, 56560), (4646, 54880), (4949, 51520), (5152, 49490), (5488, 46460), (5635, 45248), (5656, 45080), (6440, 39592), (6464, 39445), (6860, 37168), (7070, 36064), (7360, 34643), (7840, 32522), (7889, 32320), (8080, 31556), (9016, 28280), (9292, 27440), (9898, 25760), (10304, 24745), (10976, 23230), (11270, 22624), (11312, 22540), (11615, 21952), (12880, 19796), (13720, 18584), (14140, 18032), (15680, 16261), (15778, 16160)]