168778840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1753}}^1$

素因数の和:1876

約数の個数: 64

約数和(自身を含む): 397807200

約数和(自身を除く): 229028360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 83, 116, 145, 166, 232, 290, 332, 415, 580, 664, 830, 1160, 1660, 1753, 2407, 3320, 3506, 4814, 7012, 8765, 9628, 12035, 14024, 17530, 19256, 24070, 35060, 48140, 50837, 70120, 96280, 101674, 145499, 203348, 254185, 290998, 406696, 508370, 581996, 727495, 1016740, 1163992, 1454990, 2033480, 2909980, 4219471, 5819960, 8438942, 16877884, 21097355, 33755768, 42194710, 84389420, 168778840]

約数ペア:

[(1, 168778840), (2, 84389420), (4, 42194710), (5, 33755768), (8, 21097355), (10, 16877884), (20, 8438942), (29, 5819960), (40, 4219471), (58, 2909980), (83, 2033480), (116, 1454990), (145, 1163992), (166, 1016740), (232, 727495), (290, 581996), (332, 508370), (415, 406696), (580, 290998), (664, 254185), (830, 203348), (1160, 145499), (1660, 101674), (1753, 96280), (2407, 70120), (3320, 50837), (3506, 48140), (4814, 35060), (7012, 24070), (8765, 19256), (9628, 17530), (12035, 14024)]