155117340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:481

約数の個数: 216

約数和(自身を含む): 561440880

約数和(自身を除く): 406323540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 49, 60, 63, 70, 84, 86, 90, 98, 105, 126, 129, 140, 147, 172, 180, 196, 210, 215, 245, 252, 258, 294, 301, 315, 387, 409, 420, 430, 441, 490, 516, 588, 602, 630, 645, 735, 774, 818, 860, 882, 903, 980, 1204, 1227, 1260, 1290, 1470, 1505, 1548, 1636, 1764, 1806, 1935, 2045, 2107, 2205, 2454, 2580, 2709, 2863, 2940, 3010, 3612, 3681, 3870, 4090, 4214, 4410, 4515, 4908, 5418, 5726, 6020, 6135, 6321, 7362, 7740, 8180, 8428, 8589, 8820, 9030, 10535, 10836, 11452, 12270, 12642, 13545, 14315, 14724, 17178, 17587, 18060, 18405, 18963, 20041, 21070, 24540, 25284, 25767, 27090, 28630, 31605, 34356, 35174, 36810, 37926, 40082, 42140, 42945, 51534, 52761, 54180, 57260, 60123, 63210, 70348, 73620, 75852, 80164, 85890, 87935, 94815, 100205, 103068, 105522, 120246, 123109, 126420, 128835, 158283, 171780, 175870, 180369, 189630, 200410, 211044, 240492, 246218, 257670, 263805, 300615, 316566, 351740, 360738, 369327, 379260, 400820, 492436, 515340, 527610, 601230, 615545, 633132, 721476, 738654, 791415, 861763, 901845, 1055220, 1107981, 1202460, 1231090, 1477308, 1582830, 1723526, 1803690, 1846635, 2215962, 2462180, 2585289, 3165660, 3447052, 3607380, 3693270, 4308815, 4431924, 5170578, 5539905, 7386540, 7755867, 8617630, 10341156, 11079810, 12926445, 15511734, 17235260, 22159620, 25852890, 31023468, 38779335, 51705780, 77558670, 155117340]

約数ペア:

[(1, 155117340), (2, 77558670), (3, 51705780), (4, 38779335), (5, 31023468), (6, 25852890), (7, 22159620), (9, 17235260), (10, 15511734), (12, 12926445), (14, 11079810), (15, 10341156), (18, 8617630), (20, 7755867), (21, 7386540), (28, 5539905), (30, 5170578), (35, 4431924), (36, 4308815), (42, 3693270), (43, 3607380), (45, 3447052), (49, 3165660), (60, 2585289), (63, 2462180), (70, 2215962), (84, 1846635), (86, 1803690), (90, 1723526), (98, 1582830), (105, 1477308), (126, 1231090), (129, 1202460), (140, 1107981), (147, 1055220), (172, 901845), (180, 861763), (196, 791415), (210, 738654), (215, 721476), (245, 633132), (252, 615545), (258, 601230), (294, 527610), (301, 515340), (315, 492436), (387, 400820), (409, 379260), (420, 369327), (430, 360738), (441, 351740), (490, 316566), (516, 300615), (588, 263805), (602, 257670), (630, 246218), (645, 240492), (735, 211044), (774, 200410), (818, 189630), (860, 180369), (882, 175870), (903, 171780), (980, 158283), (1204, 128835), (1227, 126420), (1260, 123109), (1290, 120246), (1470, 105522), (1505, 103068), (1548, 100205), (1636, 94815), (1764, 87935), (1806, 85890), (1935, 80164), (2045, 75852), (2107, 73620), (2205, 70348), (2454, 63210), (2580, 60123), (2709, 57260), (2863, 54180), (2940, 52761), (3010, 51534), (3612, 42945), (3681, 42140), (3870, 40082), (4090, 37926), (4214, 36810), (4410, 35174), (4515, 34356), (4908, 31605), (5418, 28630), (5726, 27090), (6020, 25767), (6135, 25284), (6321, 24540), (7362, 21070), (7740, 20041), (8180, 18963), (8428, 18405), (8589, 18060), (8820, 17587), (9030, 17178), (10535, 14724), (10836, 14315), (11452, 13545), (12270, 12642)]