187915980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:453

約数の個数: 192

約数和(自身を含む): 641894400

約数和(自身を除く): 453978420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 343, 345, 397, 420, 460, 483, 490, 588, 644, 686, 690, 735, 794, 805, 966, 980, 1029, 1127, 1191, 1372, 1380, 1470, 1588, 1610, 1715, 1932, 1985, 2058, 2254, 2382, 2415, 2779, 2940, 3220, 3381, 3430, 3970, 4116, 4508, 4764, 4830, 5145, 5558, 5635, 5955, 6762, 6860, 7889, 7940, 8337, 9131, 9660, 10290, 11116, 11270, 11910, 13524, 13895, 15778, 16674, 16905, 18262, 19453, 20580, 22540, 23667, 23820, 27393, 27790, 31556, 33348, 33810, 36524, 38906, 39445, 41685, 45655, 47334, 54786, 55580, 58359, 63917, 67620, 77812, 78890, 83370, 91310, 94668, 97265, 109572, 116718, 118335, 127834, 136171, 136965, 157780, 166740, 182620, 191751, 194530, 233436, 236670, 255668, 272342, 273930, 291795, 319585, 383502, 389060, 408513, 447419, 473340, 544684, 547860, 583590, 639170, 680855, 767004, 817026, 894838, 958755, 1167180, 1278340, 1342257, 1361710, 1634052, 1789676, 1917510, 2042565, 2237095, 2684514, 2723420, 3131933, 3835020, 4085130, 4474190, 5369028, 6263866, 6711285, 8170260, 8948380, 9395799, 12527732, 13422570, 15659665, 18791598, 26845140, 31319330, 37583196, 46978995, 62638660, 93957990, 187915980]

約数ペア:

[(1, 187915980), (2, 93957990), (3, 62638660), (4, 46978995), (5, 37583196), (6, 31319330), (7, 26845140), (10, 18791598), (12, 15659665), (14, 13422570), (15, 12527732), (20, 9395799), (21, 8948380), (23, 8170260), (28, 6711285), (30, 6263866), (35, 5369028), (42, 4474190), (46, 4085130), (49, 3835020), (60, 3131933), (69, 2723420), (70, 2684514), (84, 2237095), (92, 2042565), (98, 1917510), (105, 1789676), (115, 1634052), (138, 1361710), (140, 1342257), (147, 1278340), (161, 1167180), (196, 958755), (210, 894838), (230, 817026), (245, 767004), (276, 680855), (294, 639170), (322, 583590), (343, 547860), (345, 544684), (397, 473340), (420, 447419), (460, 408513), (483, 389060), (490, 383502), (588, 319585), (644, 291795), (686, 273930), (690, 272342), (735, 255668), (794, 236670), (805, 233436), (966, 194530), (980, 191751), (1029, 182620), (1127, 166740), (1191, 157780), (1372, 136965), (1380, 136171), (1470, 127834), (1588, 118335), (1610, 116718), (1715, 109572), (1932, 97265), (1985, 94668), (2058, 91310), (2254, 83370), (2382, 78890), (2415, 77812), (2779, 67620), (2940, 63917), (3220, 58359), (3381, 55580), (3430, 54786), (3970, 47334), (4116, 45655), (4508, 41685), (4764, 39445), (4830, 38906), (5145, 36524), (5558, 33810), (5635, 33348), (5955, 31556), (6762, 27790), (6860, 27393), (7889, 23820), (7940, 23667), (8337, 22540), (9131, 20580), (9660, 19453), (10290, 18262), (11116, 16905), (11270, 16674), (11910, 15778), (13524, 13895)]