645738672

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{1487}}^1$

素因数の和:1690

約数の個数: 80

約数和(自身を含む): 1704890880

約数和(自身を除く): 1059152208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 109, 166, 218, 249, 327, 332, 436, 498, 654, 664, 872, 996, 1308, 1328, 1487, 1744, 1992, 2616, 2974, 3984, 4461, 5232, 5948, 8922, 9047, 11896, 17844, 18094, 23792, 27141, 35688, 36188, 54282, 71376, 72376, 108564, 123421, 144752, 162083, 217128, 246842, 324166, 370263, 434256, 486249, 493684, 648332, 740526, 972498, 987368, 1296664, 1481052, 1944996, 1974736, 2593328, 2962104, 3889992, 5924208, 7779984, 13452889, 26905778, 40358667, 53811556, 80717334, 107623112, 161434668, 215246224, 322869336, 645738672]

約数ペア:

[(1, 645738672), (2, 322869336), (3, 215246224), (4, 161434668), (6, 107623112), (8, 80717334), (12, 53811556), (16, 40358667), (24, 26905778), (48, 13452889), (83, 7779984), (109, 5924208), (166, 3889992), (218, 2962104), (249, 2593328), (327, 1974736), (332, 1944996), (436, 1481052), (498, 1296664), (654, 987368), (664, 972498), (872, 740526), (996, 648332), (1308, 493684), (1328, 486249), (1487, 434256), (1744, 370263), (1992, 324166), (2616, 246842), (2974, 217128), (3984, 162083), (4461, 144752), (5232, 123421), (5948, 108564), (8922, 72376), (9047, 71376), (11896, 54282), (17844, 36188), (18094, 35688), (23792, 27141)]