11915820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{193}}^1$

素因数の和:229

約数の個数: 144

約数和(自身を含む): 42369600

約数和(自身を除く): 30453780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 193, 196, 210, 245, 252, 294, 315, 343, 386, 420, 441, 490, 579, 588, 630, 686, 735, 772, 882, 965, 980, 1029, 1158, 1260, 1351, 1372, 1470, 1715, 1737, 1764, 1930, 2058, 2205, 2316, 2702, 2895, 2940, 3087, 3430, 3474, 3860, 4053, 4116, 4410, 5145, 5404, 5790, 6174, 6755, 6860, 6948, 8106, 8685, 8820, 9457, 10290, 11580, 12159, 12348, 13510, 15435, 16212, 17370, 18914, 20265, 20580, 24318, 27020, 28371, 30870, 34740, 37828, 40530, 47285, 48636, 56742, 60795, 61740, 66199, 81060, 85113, 94570, 113484, 121590, 132398, 141855, 170226, 189140, 198597, 243180, 264796, 283710, 330995, 340452, 397194, 425565, 567420, 595791, 661990, 794388, 851130, 992985, 1191582, 1323980, 1702260, 1985970, 2383164, 2978955, 3971940, 5957910, 11915820]

約数ペア:

[(1, 11915820), (2, 5957910), (3, 3971940), (4, 2978955), (5, 2383164), (6, 1985970), (7, 1702260), (9, 1323980), (10, 1191582), (12, 992985), (14, 851130), (15, 794388), (18, 661990), (20, 595791), (21, 567420), (28, 425565), (30, 397194), (35, 340452), (36, 330995), (42, 283710), (45, 264796), (49, 243180), (60, 198597), (63, 189140), (70, 170226), (84, 141855), (90, 132398), (98, 121590), (105, 113484), (126, 94570), (140, 85113), (147, 81060), (180, 66199), (193, 61740), (196, 60795), (210, 56742), (245, 48636), (252, 47285), (294, 40530), (315, 37828), (343, 34740), (386, 30870), (420, 28371), (441, 27020), (490, 24318), (579, 20580), (588, 20265), (630, 18914), (686, 17370), (735, 16212), (772, 15435), (882, 13510), (965, 12348), (980, 12159), (1029, 11580), (1158, 10290), (1260, 9457), (1351, 8820), (1372, 8685), (1470, 8106), (1715, 6948), (1737, 6860), (1764, 6755), (1930, 6174), (2058, 5790), (2205, 5404), (2316, 5145), (2702, 4410), (2895, 4116), (2940, 4053), (3087, 3860), (3430, 3474)]