28558320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:303

約数の個数: 160

約数和(自身を含む): 102850560

約数和(自身を除く): 74292240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 89, 105, 112, 120, 140, 168, 178, 191, 210, 240, 267, 280, 336, 356, 382, 420, 445, 534, 560, 573, 623, 712, 764, 840, 890, 955, 1068, 1146, 1246, 1335, 1337, 1424, 1528, 1680, 1780, 1869, 1910, 2136, 2292, 2492, 2670, 2674, 2865, 3056, 3115, 3560, 3738, 3820, 4011, 4272, 4584, 4984, 5340, 5348, 5730, 6230, 6685, 7120, 7476, 7640, 8022, 9168, 9345, 9968, 10680, 10696, 11460, 12460, 13370, 14952, 15280, 16044, 16999, 18690, 20055, 21360, 21392, 22920, 24920, 26740, 29904, 32088, 33998, 37380, 40110, 45840, 49840, 50997, 53480, 64176, 67996, 74760, 80220, 84995, 101994, 106960, 118993, 135992, 149520, 160440, 169990, 203988, 237986, 254985, 271984, 320880, 339980, 356979, 407976, 475972, 509970, 594965, 679960, 713958, 815952, 951944, 1019940, 1189930, 1359920, 1427916, 1784895, 1903888, 2039880, 2379860, 2855832, 3569790, 4079760, 4759720, 5711664, 7139580, 9519440, 14279160, 28558320]

約数ペア:

[(1, 28558320), (2, 14279160), (3, 9519440), (4, 7139580), (5, 5711664), (6, 4759720), (7, 4079760), (8, 3569790), (10, 2855832), (12, 2379860), (14, 2039880), (15, 1903888), (16, 1784895), (20, 1427916), (21, 1359920), (24, 1189930), (28, 1019940), (30, 951944), (35, 815952), (40, 713958), (42, 679960), (48, 594965), (56, 509970), (60, 475972), (70, 407976), (80, 356979), (84, 339980), (89, 320880), (105, 271984), (112, 254985), (120, 237986), (140, 203988), (168, 169990), (178, 160440), (191, 149520), (210, 135992), (240, 118993), (267, 106960), (280, 101994), (336, 84995), (356, 80220), (382, 74760), (420, 67996), (445, 64176), (534, 53480), (560, 50997), (573, 49840), (623, 45840), (712, 40110), (764, 37380), (840, 33998), (890, 32088), (955, 29904), (1068, 26740), (1146, 24920), (1246, 22920), (1335, 21392), (1337, 21360), (1424, 20055), (1528, 18690), (1680, 16999), (1780, 16044), (1869, 15280), (1910, 14952), (2136, 13370), (2292, 12460), (2492, 11460), (2670, 10696), (2674, 10680), (2865, 9968), (3056, 9345), (3115, 9168), (3560, 8022), (3738, 7640), (3820, 7476), (4011, 7120), (4272, 6685), (4584, 6230), (4984, 5730), (5340, 5348)]