2644920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 128

約数和(自身を含む): 9216000

約数和(自身を除く): 6571080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 79, 90, 93, 108, 120, 124, 135, 155, 158, 180, 186, 216, 237, 248, 270, 279, 310, 316, 360, 372, 395, 465, 474, 540, 558, 620, 632, 711, 744, 790, 837, 930, 948, 1080, 1116, 1185, 1240, 1395, 1422, 1580, 1674, 1860, 1896, 2133, 2232, 2370, 2449, 2790, 2844, 3160, 3348, 3555, 3720, 4185, 4266, 4740, 4898, 5580, 5688, 6696, 7110, 7347, 8370, 8532, 9480, 9796, 10665, 11160, 12245, 14220, 14694, 16740, 17064, 19592, 21330, 22041, 24490, 28440, 29388, 33480, 36735, 42660, 44082, 48980, 58776, 66123, 73470, 85320, 88164, 97960, 110205, 132246, 146940, 176328, 220410, 264492, 293880, 330615, 440820, 528984, 661230, 881640, 1322460, 2644920]

約数ペア:

[(1, 2644920), (2, 1322460), (3, 881640), (4, 661230), (5, 528984), (6, 440820), (8, 330615), (9, 293880), (10, 264492), (12, 220410), (15, 176328), (18, 146940), (20, 132246), (24, 110205), (27, 97960), (30, 88164), (31, 85320), (36, 73470), (40, 66123), (45, 58776), (54, 48980), (60, 44082), (62, 42660), (72, 36735), (79, 33480), (90, 29388), (93, 28440), (108, 24490), (120, 22041), (124, 21330), (135, 19592), (155, 17064), (158, 16740), (180, 14694), (186, 14220), (216, 12245), (237, 11160), (248, 10665), (270, 9796), (279, 9480), (310, 8532), (316, 8370), (360, 7347), (372, 7110), (395, 6696), (465, 5688), (474, 5580), (540, 4898), (558, 4740), (620, 4266), (632, 4185), (711, 3720), (744, 3555), (790, 3348), (837, 3160), (930, 2844), (948, 2790), (1080, 2449), (1116, 2370), (1185, 2232), (1240, 2133), (1395, 1896), (1422, 1860), (1580, 1674)]