28668640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1$

素因数の和:225

約数の個数: 192

約数和(自身を含む): 91445760

約数和(自身を除く): 62777120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 32, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 160, 176, 179, 182, 208, 220, 224, 260, 280, 286, 308, 352, 358, 364, 385, 416, 440, 455, 520, 560, 572, 616, 715, 716, 728, 770, 880, 895, 910, 1001, 1040, 1120, 1144, 1232, 1253, 1430, 1432, 1456, 1540, 1760, 1790, 1820, 1969, 2002, 2080, 2288, 2327, 2464, 2506, 2860, 2864, 2912, 3080, 3580, 3640, 3938, 4004, 4576, 4654, 5005, 5012, 5720, 5728, 6160, 6265, 7160, 7280, 7876, 8008, 9308, 9845, 10010, 10024, 11440, 11635, 12320, 12530, 13783, 14320, 14560, 15752, 16016, 16289, 18616, 19690, 20020, 20048, 22880, 23270, 25060, 25597, 27566, 28640, 31504, 32032, 32578, 37232, 39380, 40040, 40096, 46540, 50120, 51194, 55132, 63008, 65156, 68915, 74464, 78760, 80080, 81445, 93080, 100240, 102388, 110264, 127985, 130312, 137830, 157520, 160160, 162890, 179179, 186160, 200480, 204776, 220528, 255970, 260624, 275660, 315040, 325780, 358358, 372320, 409552, 441056, 511940, 521248, 551320, 651560, 716716, 819104, 895895, 1023880, 1102640, 1303120, 1433432, 1791790, 2047760, 2205280, 2606240, 2866864, 3583580, 4095520, 5733728, 7167160, 14334320, 28668640]

約数ペア:

[(1, 28668640), (2, 14334320), (4, 7167160), (5, 5733728), (7, 4095520), (8, 3583580), (10, 2866864), (11, 2606240), (13, 2205280), (14, 2047760), (16, 1791790), (20, 1433432), (22, 1303120), (26, 1102640), (28, 1023880), (32, 895895), (35, 819104), (40, 716716), (44, 651560), (52, 551320), (55, 521248), (56, 511940), (65, 441056), (70, 409552), (77, 372320), (80, 358358), (88, 325780), (91, 315040), (104, 275660), (110, 260624), (112, 255970), (130, 220528), (140, 204776), (143, 200480), (154, 186160), (160, 179179), (176, 162890), (179, 160160), (182, 157520), (208, 137830), (220, 130312), (224, 127985), (260, 110264), (280, 102388), (286, 100240), (308, 93080), (352, 81445), (358, 80080), (364, 78760), (385, 74464), (416, 68915), (440, 65156), (455, 63008), (520, 55132), (560, 51194), (572, 50120), (616, 46540), (715, 40096), (716, 40040), (728, 39380), (770, 37232), (880, 32578), (895, 32032), (910, 31504), (1001, 28640), (1040, 27566), (1120, 25597), (1144, 25060), (1232, 23270), (1253, 22880), (1430, 20048), (1432, 20020), (1456, 19690), (1540, 18616), (1760, 16289), (1790, 16016), (1820, 15752), (1969, 14560), (2002, 14320), (2080, 13783), (2288, 12530), (2327, 12320), (2464, 11635), (2506, 11440), (2860, 10024), (2864, 10010), (2912, 9845), (3080, 9308), (3580, 8008), (3640, 7876), (3938, 7280), (4004, 7160), (4576, 6265), (4654, 6160), (5005, 5728), (5012, 5720)]