621810

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{47}}^1$

素因数の和:77

約数の個数: 96

約数和(自身を含む): 1969920

約数和(自身を除く): 1348110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 47, 49, 54, 63, 70, 90, 94, 98, 105, 126, 135, 141, 147, 189, 210, 235, 245, 270, 282, 294, 315, 329, 378, 423, 441, 470, 490, 630, 658, 705, 735, 846, 882, 945, 987, 1269, 1323, 1410, 1470, 1645, 1890, 1974, 2115, 2205, 2303, 2538, 2646, 2961, 3290, 4230, 4410, 4606, 4935, 5922, 6345, 6615, 6909, 8883, 9870, 11515, 12690, 13230, 13818, 14805, 17766, 20727, 23030, 29610, 34545, 41454, 44415, 62181, 69090, 88830, 103635, 124362, 207270, 310905, 621810]

約数ペア:

[(1, 621810), (2, 310905), (3, 207270), (5, 124362), (6, 103635), (7, 88830), (9, 69090), (10, 62181), (14, 44415), (15, 41454), (18, 34545), (21, 29610), (27, 23030), (30, 20727), (35, 17766), (42, 14805), (45, 13818), (47, 13230), (49, 12690), (54, 11515), (63, 9870), (70, 8883), (90, 6909), (94, 6615), (98, 6345), (105, 5922), (126, 4935), (135, 4606), (141, 4410), (147, 4230), (189, 3290), (210, 2961), (235, 2646), (245, 2538), (270, 2303), (282, 2205), (294, 2115), (315, 1974), (329, 1890), (378, 1645), (423, 1470), (441, 1410), (470, 1323), (490, 1269), (630, 987), (658, 945), (705, 882), (735, 846)]