648865404

素因数分解:

$2^2\times 3^7\times {\mathrm{11}}^2\times {\mathrm{613}}^1$

素因数の和:660

約数の個数: 144

約数和(自身を含む): 1874959520

約数和(自身を除く): 1226094116

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 121, 132, 162, 198, 242, 243, 297, 324, 363, 396, 484, 486, 594, 613, 726, 729, 891, 972, 1089, 1188, 1226, 1452, 1458, 1782, 1839, 2178, 2187, 2452, 2673, 2916, 3267, 3564, 3678, 4356, 4374, 5346, 5517, 6534, 6743, 7356, 8019, 8748, 9801, 10692, 11034, 13068, 13486, 16038, 16551, 19602, 20229, 22068, 24057, 26972, 29403, 32076, 33102, 39204, 40458, 48114, 49653, 58806, 60687, 66204, 74173, 80916, 88209, 96228, 99306, 117612, 121374, 148346, 148959, 176418, 182061, 198612, 222519, 242748, 264627, 296692, 297918, 352836, 364122, 445038, 446877, 529254, 546183, 595836, 667557, 728244, 890076, 893754, 1058508, 1092366, 1335114, 1340631, 1638549, 1787508, 2002671, 2184732, 2670228, 2681262, 3277098, 4005342, 4915647, 5362524, 6008013, 6554196, 8010684, 9831294, 12016026, 14746941, 18024039, 19662588, 24032052, 29493882, 36048078, 54072117, 58987764, 72096156, 108144234, 162216351, 216288468, 324432702, 648865404]

約数ペア:

[(1, 648865404), (2, 324432702), (3, 216288468), (4, 162216351), (6, 108144234), (9, 72096156), (11, 58987764), (12, 54072117), (18, 36048078), (22, 29493882), (27, 24032052), (33, 19662588), (36, 18024039), (44, 14746941), (54, 12016026), (66, 9831294), (81, 8010684), (99, 6554196), (108, 6008013), (121, 5362524), (132, 4915647), (162, 4005342), (198, 3277098), (242, 2681262), (243, 2670228), (297, 2184732), (324, 2002671), (363, 1787508), (396, 1638549), (484, 1340631), (486, 1335114), (594, 1092366), (613, 1058508), (726, 893754), (729, 890076), (891, 728244), (972, 667557), (1089, 595836), (1188, 546183), (1226, 529254), (1452, 446877), (1458, 445038), (1782, 364122), (1839, 352836), (2178, 297918), (2187, 296692), (2452, 264627), (2673, 242748), (2916, 222519), (3267, 198612), (3564, 182061), (3678, 176418), (4356, 148959), (4374, 148346), (5346, 121374), (5517, 117612), (6534, 99306), (6743, 96228), (7356, 88209), (8019, 80916), (8748, 74173), (9801, 66204), (10692, 60687), (11034, 58806), (13068, 49653), (13486, 48114), (16038, 40458), (16551, 39204), (19602, 33102), (20229, 32076), (22068, 29403), (24057, 26972)]