27719820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:333

約数の個数: 120

約数和(自身を含む): 88548768

約数和(自身を除く): 60828948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 241, 270, 284, 324, 355, 405, 426, 482, 540, 639, 710, 723, 810, 852, 964, 1065, 1205, 1278, 1420, 1446, 1620, 1917, 2130, 2169, 2410, 2556, 2892, 3195, 3615, 3834, 4260, 4338, 4820, 5751, 6390, 6507, 7230, 7668, 8676, 9585, 10845, 11502, 12780, 13014, 14460, 17111, 19170, 19521, 21690, 23004, 26028, 28755, 32535, 34222, 38340, 39042, 43380, 51333, 57510, 65070, 68444, 78084, 85555, 97605, 102666, 115020, 130140, 153999, 171110, 195210, 205332, 256665, 307998, 342220, 390420, 461997, 513330, 615996, 769995, 923994, 1026660, 1385991, 1539990, 1847988, 2309985, 2771982, 3079980, 4619970, 5543964, 6929955, 9239940, 13859910, 27719820]

約数ペア:

[(1, 27719820), (2, 13859910), (3, 9239940), (4, 6929955), (5, 5543964), (6, 4619970), (9, 3079980), (10, 2771982), (12, 2309985), (15, 1847988), (18, 1539990), (20, 1385991), (27, 1026660), (30, 923994), (36, 769995), (45, 615996), (54, 513330), (60, 461997), (71, 390420), (81, 342220), (90, 307998), (108, 256665), (135, 205332), (142, 195210), (162, 171110), (180, 153999), (213, 130140), (241, 115020), (270, 102666), (284, 97605), (324, 85555), (355, 78084), (405, 68444), (426, 65070), (482, 57510), (540, 51333), (639, 43380), (710, 39042), (723, 38340), (810, 34222), (852, 32535), (964, 28755), (1065, 26028), (1205, 23004), (1278, 21690), (1420, 19521), (1446, 19170), (1620, 17111), (1917, 14460), (2130, 13014), (2169, 12780), (2410, 11502), (2556, 10845), (2892, 9585), (3195, 8676), (3615, 7668), (3834, 7230), (4260, 6507), (4338, 6390), (4820, 5751)]