30520728

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 98967960

約数和(自身を除く): 68447232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 41, 42, 49, 56, 63, 72, 82, 84, 98, 123, 126, 147, 164, 168, 196, 211, 246, 252, 287, 294, 328, 369, 392, 422, 441, 492, 504, 574, 588, 633, 738, 844, 861, 882, 984, 1148, 1176, 1266, 1476, 1477, 1688, 1722, 1764, 1899, 2009, 2296, 2532, 2583, 2952, 2954, 3444, 3528, 3798, 4018, 4431, 5064, 5166, 5908, 6027, 6888, 7596, 8036, 8651, 8862, 10332, 10339, 11816, 12054, 13293, 15192, 16072, 17302, 17724, 18081, 20664, 20678, 24108, 25953, 26586, 31017, 34604, 35448, 36162, 41356, 48216, 51906, 53172, 60557, 62034, 69208, 72324, 77859, 82712, 93051, 103812, 106344, 121114, 124068, 144648, 155718, 181671, 186102, 207624, 242228, 248136, 311436, 363342, 372204, 423899, 484456, 545013, 622872, 726684, 744408, 847798, 1090026, 1271697, 1453368, 1695596, 2180052, 2543394, 3391192, 3815091, 4360104, 5086788, 7630182, 10173576, 15260364, 30520728]

約数ペア:

[(1, 30520728), (2, 15260364), (3, 10173576), (4, 7630182), (6, 5086788), (7, 4360104), (8, 3815091), (9, 3391192), (12, 2543394), (14, 2180052), (18, 1695596), (21, 1453368), (24, 1271697), (28, 1090026), (36, 847798), (41, 744408), (42, 726684), (49, 622872), (56, 545013), (63, 484456), (72, 423899), (82, 372204), (84, 363342), (98, 311436), (123, 248136), (126, 242228), (147, 207624), (164, 186102), (168, 181671), (196, 155718), (211, 144648), (246, 124068), (252, 121114), (287, 106344), (294, 103812), (328, 93051), (369, 82712), (392, 77859), (422, 72324), (441, 69208), (492, 62034), (504, 60557), (574, 53172), (588, 51906), (633, 48216), (738, 41356), (844, 36162), (861, 35448), (882, 34604), (984, 31017), (1148, 26586), (1176, 25953), (1266, 24108), (1476, 20678), (1477, 20664), (1688, 18081), (1722, 17724), (1764, 17302), (1899, 16072), (2009, 15192), (2296, 13293), (2532, 12054), (2583, 11816), (2952, 10339), (2954, 10332), (3444, 8862), (3528, 8651), (3798, 8036), (4018, 7596), (4431, 6888), (5064, 6027), (5166, 5908)]