81082260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:375

約数の個数: 216

約数和(自身を含む): 296903880

約数和(自身を除く): 215821620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 49, 58, 60, 63, 70, 84, 87, 90, 98, 105, 116, 126, 140, 145, 147, 174, 180, 196, 203, 210, 245, 252, 261, 290, 294, 315, 317, 348, 406, 420, 435, 441, 490, 522, 580, 588, 609, 630, 634, 735, 812, 870, 882, 951, 980, 1015, 1044, 1218, 1260, 1268, 1305, 1421, 1470, 1585, 1740, 1764, 1827, 1902, 2030, 2205, 2219, 2436, 2610, 2842, 2853, 2940, 3045, 3170, 3654, 3804, 4060, 4263, 4410, 4438, 4755, 5220, 5684, 5706, 6090, 6340, 6657, 7105, 7308, 8526, 8820, 8876, 9135, 9193, 9510, 11095, 11412, 12180, 12789, 13314, 14210, 14265, 15533, 17052, 18270, 18386, 19020, 19971, 21315, 22190, 25578, 26628, 27579, 28420, 28530, 31066, 33285, 36540, 36772, 39942, 42630, 44380, 45965, 46599, 51156, 55158, 57060, 62132, 63945, 64351, 66570, 77665, 79884, 82737, 85260, 91930, 93198, 99855, 110316, 127890, 128702, 133140, 137895, 139797, 155330, 165474, 183860, 186396, 193053, 199710, 232995, 255780, 257404, 275790, 279594, 310660, 321755, 330948, 386106, 399420, 413685, 450457, 465990, 551580, 559188, 579159, 643510, 698985, 772212, 827370, 900914, 931980, 965265, 1158318, 1287020, 1351371, 1397970, 1654740, 1801828, 1930530, 2252285, 2316636, 2702742, 2795940, 2895795, 3861060, 4054113, 4504570, 5405484, 5791590, 6756855, 8108226, 9009140, 11583180, 13513710, 16216452, 20270565, 27027420, 40541130, 81082260]

約数ペア:

[(1, 81082260), (2, 40541130), (3, 27027420), (4, 20270565), (5, 16216452), (6, 13513710), (7, 11583180), (9, 9009140), (10, 8108226), (12, 6756855), (14, 5791590), (15, 5405484), (18, 4504570), (20, 4054113), (21, 3861060), (28, 2895795), (29, 2795940), (30, 2702742), (35, 2316636), (36, 2252285), (42, 1930530), (45, 1801828), (49, 1654740), (58, 1397970), (60, 1351371), (63, 1287020), (70, 1158318), (84, 965265), (87, 931980), (90, 900914), (98, 827370), (105, 772212), (116, 698985), (126, 643510), (140, 579159), (145, 559188), (147, 551580), (174, 465990), (180, 450457), (196, 413685), (203, 399420), (210, 386106), (245, 330948), (252, 321755), (261, 310660), (290, 279594), (294, 275790), (315, 257404), (317, 255780), (348, 232995), (406, 199710), (420, 193053), (435, 186396), (441, 183860), (490, 165474), (522, 155330), (580, 139797), (588, 137895), (609, 133140), (630, 128702), (634, 127890), (735, 110316), (812, 99855), (870, 93198), (882, 91930), (951, 85260), (980, 82737), (1015, 79884), (1044, 77665), (1218, 66570), (1260, 64351), (1268, 63945), (1305, 62132), (1421, 57060), (1470, 55158), (1585, 51156), (1740, 46599), (1764, 45965), (1827, 44380), (1902, 42630), (2030, 39942), (2205, 36772), (2219, 36540), (2436, 33285), (2610, 31066), (2842, 28530), (2853, 28420), (2940, 27579), (3045, 26628), (3170, 25578), (3654, 22190), (3804, 21315), (4060, 19971), (4263, 19020), (4410, 18386), (4438, 18270), (4755, 17052), (5220, 15533), (5684, 14265), (5706, 14210), (6090, 13314), (6340, 12789), (6657, 12180), (7105, 11412), (7308, 11095), (8526, 9510), (8820, 9193), (8876, 9135)]