57931020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2044

約数の個数: 144

約数和(自身を含む): 209664000

約数和(自身を除く): 151732980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 1035, 1260, 1380, 1449, 1610, 1932, 1999, 2070, 2415, 2898, 3220, 3998, 4140, 4830, 5796, 5997, 7245, 7996, 9660, 9995, 11994, 13993, 14490, 17991, 19990, 23988, 27986, 28980, 29985, 35982, 39980, 41979, 45977, 55972, 59970, 69965, 71964, 83958, 89955, 91954, 119940, 125937, 137931, 139930, 167916, 179910, 183908, 209895, 229885, 251874, 275862, 279860, 321839, 359820, 413793, 419790, 459770, 503748, 551724, 629685, 643678, 689655, 827586, 839580, 919540, 965517, 1259370, 1287356, 1379310, 1609195, 1655172, 1931034, 2068965, 2518740, 2758620, 2896551, 3218390, 3862068, 4137930, 4827585, 5793102, 6436780, 8275860, 9655170, 11586204, 14482755, 19310340, 28965510, 57931020]

約数ペア:

[(1, 57931020), (2, 28965510), (3, 19310340), (4, 14482755), (5, 11586204), (6, 9655170), (7, 8275860), (9, 6436780), (10, 5793102), (12, 4827585), (14, 4137930), (15, 3862068), (18, 3218390), (20, 2896551), (21, 2758620), (23, 2518740), (28, 2068965), (30, 1931034), (35, 1655172), (36, 1609195), (42, 1379310), (45, 1287356), (46, 1259370), (60, 965517), (63, 919540), (69, 839580), (70, 827586), (84, 689655), (90, 643678), (92, 629685), (105, 551724), (115, 503748), (126, 459770), (138, 419790), (140, 413793), (161, 359820), (180, 321839), (207, 279860), (210, 275862), (230, 251874), (252, 229885), (276, 209895), (315, 183908), (322, 179910), (345, 167916), (414, 139930), (420, 137931), (460, 125937), (483, 119940), (630, 91954), (644, 89955), (690, 83958), (805, 71964), (828, 69965), (966, 59970), (1035, 55972), (1260, 45977), (1380, 41979), (1449, 39980), (1610, 35982), (1932, 29985), (1999, 28980), (2070, 27986), (2415, 23988), (2898, 19990), (3220, 17991), (3998, 14490), (4140, 13993), (4830, 11994), (5796, 9995), (5997, 9660), (7245, 7996)]