28073760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:451

約数の個数: 192

約数和(自身を含む): 104146560

約数和(自身を除く): 76072800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 32, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 96, 104, 110, 120, 130, 132, 143, 156, 160, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 352, 390, 409, 416, 429, 440, 480, 520, 528, 572, 624, 660, 715, 780, 818, 858, 880, 1040, 1056, 1144, 1227, 1248, 1320, 1430, 1560, 1636, 1716, 1760, 2045, 2080, 2145, 2288, 2454, 2640, 2860, 3120, 3272, 3432, 4090, 4290, 4499, 4576, 4908, 5280, 5317, 5720, 6135, 6240, 6544, 6864, 8180, 8580, 8998, 9816, 10634, 11440, 12270, 13088, 13497, 13728, 15951, 16360, 17160, 17996, 19632, 21268, 22495, 22880, 24540, 26585, 26994, 31902, 32720, 34320, 35992, 39264, 42536, 44990, 49080, 53170, 53988, 58487, 63804, 65440, 67485, 68640, 71984, 79755, 85072, 89980, 98160, 106340, 107976, 116974, 127608, 134970, 143968, 159510, 170144, 175461, 179960, 196320, 212680, 215952, 233948, 255216, 269940, 292435, 319020, 350922, 359920, 425360, 431904, 467896, 510432, 539880, 584870, 638040, 701844, 719840, 850720, 877305, 935792, 1079760, 1169740, 1276080, 1403688, 1754610, 1871584, 2159520, 2339480, 2552160, 2807376, 3509220, 4678960, 5614752, 7018440, 9357920, 14036880, 28073760]

約数ペア:

[(1, 28073760), (2, 14036880), (3, 9357920), (4, 7018440), (5, 5614752), (6, 4678960), (8, 3509220), (10, 2807376), (11, 2552160), (12, 2339480), (13, 2159520), (15, 1871584), (16, 1754610), (20, 1403688), (22, 1276080), (24, 1169740), (26, 1079760), (30, 935792), (32, 877305), (33, 850720), (39, 719840), (40, 701844), (44, 638040), (48, 584870), (52, 539880), (55, 510432), (60, 467896), (65, 431904), (66, 425360), (78, 359920), (80, 350922), (88, 319020), (96, 292435), (104, 269940), (110, 255216), (120, 233948), (130, 215952), (132, 212680), (143, 196320), (156, 179960), (160, 175461), (165, 170144), (176, 159510), (195, 143968), (208, 134970), (220, 127608), (240, 116974), (260, 107976), (264, 106340), (286, 98160), (312, 89980), (330, 85072), (352, 79755), (390, 71984), (409, 68640), (416, 67485), (429, 65440), (440, 63804), (480, 58487), (520, 53988), (528, 53170), (572, 49080), (624, 44990), (660, 42536), (715, 39264), (780, 35992), (818, 34320), (858, 32720), (880, 31902), (1040, 26994), (1056, 26585), (1144, 24540), (1227, 22880), (1248, 22495), (1320, 21268), (1430, 19632), (1560, 17996), (1636, 17160), (1716, 16360), (1760, 15951), (2045, 13728), (2080, 13497), (2145, 13088), (2288, 12270), (2454, 11440), (2640, 10634), (2860, 9816), (3120, 8998), (3272, 8580), (3432, 8180), (4090, 6864), (4290, 6544), (4499, 6240), (4576, 6135), (4908, 5720), (5280, 5317)]