2090340

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{79}}^1$

素因数の和:111

約数の個数: 144

約数和(自身を含む): 7660800

約数和(自身を除く): 5570460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 79, 84, 90, 98, 105, 108, 126, 135, 140, 147, 158, 180, 189, 196, 210, 237, 245, 252, 270, 294, 315, 316, 378, 395, 420, 441, 474, 490, 540, 553, 588, 630, 711, 735, 756, 790, 882, 945, 948, 980, 1106, 1185, 1260, 1323, 1422, 1470, 1580, 1659, 1764, 1890, 2133, 2205, 2212, 2370, 2646, 2765, 2844, 2940, 3318, 3555, 3780, 3871, 4266, 4410, 4740, 4977, 5292, 5530, 6615, 6636, 7110, 7742, 8295, 8532, 8820, 9954, 10665, 11060, 11613, 13230, 14220, 14931, 15484, 16590, 19355, 19908, 21330, 23226, 24885, 26460, 29862, 33180, 34839, 38710, 42660, 46452, 49770, 58065, 59724, 69678, 74655, 77420, 99540, 104517, 116130, 139356, 149310, 174195, 209034, 232260, 298620, 348390, 418068, 522585, 696780, 1045170, 2090340]

約数ペア:

[(1, 2090340), (2, 1045170), (3, 696780), (4, 522585), (5, 418068), (6, 348390), (7, 298620), (9, 232260), (10, 209034), (12, 174195), (14, 149310), (15, 139356), (18, 116130), (20, 104517), (21, 99540), (27, 77420), (28, 74655), (30, 69678), (35, 59724), (36, 58065), (42, 49770), (45, 46452), (49, 42660), (54, 38710), (60, 34839), (63, 33180), (70, 29862), (79, 26460), (84, 24885), (90, 23226), (98, 21330), (105, 19908), (108, 19355), (126, 16590), (135, 15484), (140, 14931), (147, 14220), (158, 13230), (180, 11613), (189, 11060), (196, 10665), (210, 9954), (237, 8820), (245, 8532), (252, 8295), (270, 7742), (294, 7110), (315, 6636), (316, 6615), (378, 5530), (395, 5292), (420, 4977), (441, 4740), (474, 4410), (490, 4266), (540, 3871), (553, 3780), (588, 3555), (630, 3318), (711, 2940), (735, 2844), (756, 2765), (790, 2646), (882, 2370), (945, 2212), (948, 2205), (980, 2133), (1106, 1890), (1185, 1764), (1260, 1659), (1323, 1580), (1422, 1470)]